18952920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 256

約数和(自身を含む): 76032000

約数和(自身を除く): 57079080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 109, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 218, 230, 252, 270, 276, 280, 315, 322, 327, 345, 360, 378, 414, 420, 436, 460, 483, 504, 540, 545, 552, 621, 630, 644, 654, 690, 756, 763, 805, 828, 840, 872, 920, 945, 966, 981, 1035, 1080, 1090, 1242, 1260, 1288, 1308, 1380, 1449, 1512, 1526, 1610, 1635, 1656, 1890, 1932, 1962, 2070, 2180, 2289, 2415, 2484, 2507, 2520, 2616, 2760, 2898, 2943, 3052, 3105, 3220, 3270, 3780, 3815, 3864, 3924, 4140, 4347, 4360, 4578, 4830, 4905, 4968, 5014, 5796, 5886, 6104, 6210, 6440, 6540, 6867, 7245, 7521, 7560, 7630, 7848, 8280, 8694, 9156, 9660, 9810, 10028, 11445, 11592, 11772, 12420, 12535, 13080, 13734, 14490, 14715, 15042, 15260, 17388, 17549, 18312, 19320, 19620, 20056, 20601, 21735, 22563, 22890, 23544, 24840, 25070, 27468, 28980, 29430, 30084, 30520, 34335, 34776, 35098, 37605, 39240, 41202, 43470, 45126, 45780, 50140, 52647, 54936, 57960, 58860, 60168, 67689, 68670, 70196, 75210, 82404, 86940, 87745, 90252, 91560, 100280, 103005, 105294, 112815, 117720, 135378, 137340, 140392, 150420, 157941, 164808, 173880, 175490, 180504, 206010, 210588, 225630, 263235, 270756, 274680, 300840, 315882, 338445, 350980, 412020, 421176, 451260, 473823, 526470, 541512, 631764, 676890, 701960, 789705, 824040, 902520, 947646, 1052940, 1263528, 1353780, 1579410, 1895292, 2105880, 2369115, 2707560, 3158820, 3790584, 4738230, 6317640, 9476460, 18952920]

約数ペア:

[(1, 18952920), (2, 9476460), (3, 6317640), (4, 4738230), (5, 3790584), (6, 3158820), (7, 2707560), (8, 2369115), (9, 2105880), (10, 1895292), (12, 1579410), (14, 1353780), (15, 1263528), (18, 1052940), (20, 947646), (21, 902520), (23, 824040), (24, 789705), (27, 701960), (28, 676890), (30, 631764), (35, 541512), (36, 526470), (40, 473823), (42, 451260), (45, 421176), (46, 412020), (54, 350980), (56, 338445), (60, 315882), (63, 300840), (69, 274680), (70, 270756), (72, 263235), (84, 225630), (90, 210588), (92, 206010), (105, 180504), (108, 175490), (109, 173880), (115, 164808), (120, 157941), (126, 150420), (135, 140392), (138, 137340), (140, 135378), (161, 117720), (168, 112815), (180, 105294), (184, 103005), (189, 100280), (207, 91560), (210, 90252), (216, 87745), (218, 86940), (230, 82404), (252, 75210), (270, 70196), (276, 68670), (280, 67689), (315, 60168), (322, 58860), (327, 57960), (345, 54936), (360, 52647), (378, 50140), (414, 45780), (420, 45126), (436, 43470), (460, 41202), (483, 39240), (504, 37605), (540, 35098), (545, 34776), (552, 34335), (621, 30520), (630, 30084), (644, 29430), (654, 28980), (690, 27468), (756, 25070), (763, 24840), (805, 23544), (828, 22890), (840, 22563), (872, 21735), (920, 20601), (945, 20056), (966, 19620), (981, 19320), (1035, 18312), (1080, 17549), (1090, 17388), (1242, 15260), (1260, 15042), (1288, 14715), (1308, 14490), (1380, 13734), (1449, 13080), (1512, 12535), (1526, 12420), (1610, 11772), (1635, 11592), (1656, 11445), (1890, 10028), (1932, 9810), (1962, 9660), (2070, 9156), (2180, 8694), (2289, 8280), (2415, 7848), (2484, 7630), (2507, 7560), (2520, 7521), (2616, 7245), (2760, 6867), (2898, 6540), (2943, 6440), (3052, 6210), (3105, 6104), (3220, 5886), (3270, 5796), (3780, 5014), (3815, 4968), (3864, 4905), (3924, 4830), (4140, 4578), (4347, 4360)]