18780014942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{2579}}^1$

素因数の和:2801

約数の個数: 64

約数和(自身を含む): 31831833600

約数和(自身を除く): 13051818658

約数列:

[1, 2, 13, 26, 47, 59, 94, 101, 118, 202, 611, 767, 1222, 1313, 1534, 2579, 2626, 2773, 4747, 5158, 5546, 5959, 9494, 11918, 33527, 36049, 61711, 67054, 72098, 77467, 121213, 123422, 152161, 154934, 242426, 260479, 280073, 304322, 520958, 560146, 1575769, 1978093, 3151538, 3386227, 3640949, 3956186, 6772454, 7151567, 7281898, 12242513, 14303134, 15368261, 24485026, 30736522, 92970371, 159152669, 185940742, 199787393, 318305338, 399574786, 722308267, 1444616534, 9390007471, 18780014942]

約数ペア:

[(1, 18780014942), (2, 9390007471), (13, 1444616534), (26, 722308267), (47, 399574786), (59, 318305338), (94, 199787393), (101, 185940742), (118, 159152669), (202, 92970371), (611, 30736522), (767, 24485026), (1222, 15368261), (1313, 14303134), (1534, 12242513), (2579, 7281898), (2626, 7151567), (2773, 6772454), (4747, 3956186), (5158, 3640949), (5546, 3386227), (5959, 3151538), (9494, 1978093), (11918, 1575769), (33527, 560146), (36049, 520958), (61711, 304322), (67054, 280073), (72098, 260479), (77467, 242426), (121213, 154934), (123422, 152161)]