18907284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 48416256

約数和(自身を除く): 29508972

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 227, 454, 631, 681, 908, 1262, 1362, 1893, 2497, 2524, 2724, 3786, 4994, 6941, 7491, 7572, 9988, 13882, 14982, 20823, 27764, 29964, 41646, 83292, 143237, 286474, 429711, 572948, 859422, 1575607, 1718844, 3151214, 4726821, 6302428, 9453642, 18907284]

約数ペア:

[(1, 18907284), (2, 9453642), (3, 6302428), (4, 4726821), (6, 3151214), (11, 1718844), (12, 1575607), (22, 859422), (33, 572948), (44, 429711), (66, 286474), (132, 143237), (227, 83292), (454, 41646), (631, 29964), (681, 27764), (908, 20823), (1262, 14982), (1362, 13882), (1893, 9988), (2497, 7572), (2524, 7491), (2724, 6941), (3786, 4994)]