19637604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 57220800

約数和(自身を除く): 37583196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 149, 252, 298, 447, 523, 596, 894, 1043, 1046, 1341, 1569, 1788, 2086, 2092, 2682, 3129, 3138, 3661, 4172, 4707, 5364, 6258, 6276, 7322, 9387, 9414, 10983, 12516, 14644, 18774, 18828, 21966, 32949, 37548, 43932, 65898, 77927, 131796, 155854, 233781, 311708, 467562, 545489, 701343, 935124, 1090978, 1402686, 1636467, 2181956, 2805372, 3272934, 4909401, 6545868, 9818802, 19637604]

約数ペア:

[(1, 19637604), (2, 9818802), (3, 6545868), (4, 4909401), (6, 3272934), (7, 2805372), (9, 2181956), (12, 1636467), (14, 1402686), (18, 1090978), (21, 935124), (28, 701343), (36, 545489), (42, 467562), (63, 311708), (84, 233781), (126, 155854), (149, 131796), (252, 77927), (298, 65898), (447, 43932), (523, 37548), (596, 32949), (894, 21966), (1043, 18828), (1046, 18774), (1341, 14644), (1569, 12516), (1788, 10983), (2086, 9414), (2092, 9387), (2682, 7322), (3129, 6276), (3138, 6258), (3661, 5364), (4172, 4707)]