18951840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 68584320

約数和(自身を除く): 49632480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 96, 107, 108, 120, 123, 135, 144, 160, 164, 180, 205, 214, 216, 240, 246, 270, 288, 321, 328, 360, 369, 410, 428, 432, 480, 492, 535, 540, 615, 642, 656, 720, 738, 820, 856, 864, 963, 984, 1070, 1080, 1107, 1230, 1284, 1312, 1440, 1476, 1605, 1640, 1712, 1845, 1926, 1968, 2140, 2160, 2214, 2460, 2568, 2889, 2952, 3210, 3280, 3424, 3690, 3852, 3936, 4280, 4320, 4387, 4428, 4815, 4920, 5136, 5535, 5778, 5904, 6420, 6560, 7380, 7704, 8560, 8774, 8856, 9630, 9840, 10272, 11070, 11556, 11808, 12840, 13161, 14445, 14760, 15408, 17120, 17548, 17712, 19260, 19680, 21935, 22140, 23112, 25680, 26322, 28890, 29520, 30816, 35096, 35424, 38520, 39483, 43870, 44280, 46224, 51360, 52644, 57780, 59040, 65805, 70192, 77040, 78966, 87740, 88560, 92448, 105288, 115560, 118449, 131610, 140384, 154080, 157932, 175480, 177120, 197415, 210576, 231120, 236898, 263220, 315864, 350960, 394830, 421152, 462240, 473796, 526440, 592245, 631728, 701920, 789660, 947592, 1052880, 1184490, 1263456, 1579320, 1895184, 2105760, 2368980, 3158640, 3790368, 4737960, 6317280, 9475920, 18951840]

約数ペア:

[(1, 18951840), (2, 9475920), (3, 6317280), (4, 4737960), (5, 3790368), (6, 3158640), (8, 2368980), (9, 2105760), (10, 1895184), (12, 1579320), (15, 1263456), (16, 1184490), (18, 1052880), (20, 947592), (24, 789660), (27, 701920), (30, 631728), (32, 592245), (36, 526440), (40, 473796), (41, 462240), (45, 421152), (48, 394830), (54, 350960), (60, 315864), (72, 263220), (80, 236898), (82, 231120), (90, 210576), (96, 197415), (107, 177120), (108, 175480), (120, 157932), (123, 154080), (135, 140384), (144, 131610), (160, 118449), (164, 115560), (180, 105288), (205, 92448), (214, 88560), (216, 87740), (240, 78966), (246, 77040), (270, 70192), (288, 65805), (321, 59040), (328, 57780), (360, 52644), (369, 51360), (410, 46224), (428, 44280), (432, 43870), (480, 39483), (492, 38520), (535, 35424), (540, 35096), (615, 30816), (642, 29520), (656, 28890), (720, 26322), (738, 25680), (820, 23112), (856, 22140), (864, 21935), (963, 19680), (984, 19260), (1070, 17712), (1080, 17548), (1107, 17120), (1230, 15408), (1284, 14760), (1312, 14445), (1440, 13161), (1476, 12840), (1605, 11808), (1640, 11556), (1712, 11070), (1845, 10272), (1926, 9840), (1968, 9630), (2140, 8856), (2160, 8774), (2214, 8560), (2460, 7704), (2568, 7380), (2889, 6560), (2952, 6420), (3210, 5904), (3280, 5778), (3424, 5535), (3690, 5136), (3852, 4920), (3936, 4815), (4280, 4428), (4320, 4387)]