19364940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 70963200

約数和(自身を除く): 51598260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 109, 126, 135, 140, 141, 180, 188, 189, 210, 218, 235, 252, 270, 282, 315, 327, 329, 378, 420, 423, 436, 470, 540, 545, 564, 630, 654, 658, 705, 756, 763, 846, 940, 945, 981, 987, 1090, 1260, 1269, 1308, 1316, 1410, 1526, 1635, 1645, 1692, 1890, 1962, 1974, 2115, 2180, 2289, 2538, 2820, 2943, 2961, 3052, 3270, 3290, 3780, 3815, 3924, 3948, 4230, 4578, 4905, 4935, 5076, 5123, 5886, 5922, 6345, 6540, 6580, 6867, 7630, 8460, 8883, 9156, 9810, 9870, 10246, 11445, 11772, 11844, 12690, 13734, 14715, 14805, 15260, 15369, 17766, 19620, 19740, 20492, 20601, 22890, 25380, 25615, 27468, 29430, 29610, 30738, 34335, 35532, 35861, 41202, 44415, 45780, 46107, 51230, 58860, 59220, 61476, 68670, 71722, 76845, 82404, 88830, 92214, 102460, 103005, 107583, 137340, 138321, 143444, 153690, 177660, 179305, 184428, 206010, 215166, 230535, 276642, 307380, 322749, 358610, 412020, 430332, 461070, 537915, 553284, 645498, 691605, 717220, 922140, 968247, 1075830, 1290996, 1383210, 1613745, 1936494, 2151660, 2766420, 3227490, 3872988, 4841235, 6454980, 9682470, 19364940]

約数ペア:

[(1, 19364940), (2, 9682470), (3, 6454980), (4, 4841235), (5, 3872988), (6, 3227490), (7, 2766420), (9, 2151660), (10, 1936494), (12, 1613745), (14, 1383210), (15, 1290996), (18, 1075830), (20, 968247), (21, 922140), (27, 717220), (28, 691605), (30, 645498), (35, 553284), (36, 537915), (42, 461070), (45, 430332), (47, 412020), (54, 358610), (60, 322749), (63, 307380), (70, 276642), (84, 230535), (90, 215166), (94, 206010), (105, 184428), (108, 179305), (109, 177660), (126, 153690), (135, 143444), (140, 138321), (141, 137340), (180, 107583), (188, 103005), (189, 102460), (210, 92214), (218, 88830), (235, 82404), (252, 76845), (270, 71722), (282, 68670), (315, 61476), (327, 59220), (329, 58860), (378, 51230), (420, 46107), (423, 45780), (436, 44415), (470, 41202), (540, 35861), (545, 35532), (564, 34335), (630, 30738), (654, 29610), (658, 29430), (705, 27468), (756, 25615), (763, 25380), (846, 22890), (940, 20601), (945, 20492), (981, 19740), (987, 19620), (1090, 17766), (1260, 15369), (1269, 15260), (1308, 14805), (1316, 14715), (1410, 13734), (1526, 12690), (1635, 11844), (1645, 11772), (1692, 11445), (1890, 10246), (1962, 9870), (1974, 9810), (2115, 9156), (2180, 8883), (2289, 8460), (2538, 7630), (2820, 6867), (2943, 6580), (2961, 6540), (3052, 6345), (3270, 5922), (3290, 5886), (3780, 5123), (3815, 5076), (3924, 4935), (3948, 4905), (4230, 4578)]