18996847960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1\times {\mathrm{6481}}^1$

素因数の和:7196

約数の個数: 64

約数和(自身を含む): 43160785920

約数和(自身を除く): 24163937960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 577, 635, 1016, 1154, 1270, 2308, 2540, 2885, 4616, 5080, 5770, 6481, 11540, 12962, 23080, 25924, 32405, 51848, 64810, 73279, 129620, 146558, 259240, 293116, 366395, 586232, 732790, 823087, 1465580, 1646174, 2931160, 3292348, 3739537, 4115435, 6584696, 7479074, 8230870, 14958148, 16461740, 18697685, 29916296, 32923480, 37395370, 74790740, 149581480, 474921199, 949842398, 1899684796, 2374605995, 3799369592, 4749211990, 9498423980, 18996847960]

約数ペア:

[(1, 18996847960), (2, 9498423980), (4, 4749211990), (5, 3799369592), (8, 2374605995), (10, 1899684796), (20, 949842398), (40, 474921199), (127, 149581480), (254, 74790740), (508, 37395370), (577, 32923480), (635, 29916296), (1016, 18697685), (1154, 16461740), (1270, 14958148), (2308, 8230870), (2540, 7479074), (2885, 6584696), (4616, 4115435), (5080, 3739537), (5770, 3292348), (6481, 2931160), (11540, 1646174), (12962, 1465580), (23080, 823087), (25924, 732790), (32405, 586232), (51848, 366395), (64810, 293116), (73279, 259240), (129620, 146558)]