18830268

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 50319360

約数和(自身を除く): 31489092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 93, 94, 124, 141, 186, 188, 279, 282, 359, 372, 423, 558, 564, 718, 846, 1077, 1116, 1436, 1457, 1692, 2154, 2914, 3231, 4308, 4371, 5828, 6462, 8742, 11129, 12924, 13113, 16873, 17484, 22258, 26226, 33387, 33746, 44516, 50619, 52452, 66774, 67492, 100161, 101238, 133548, 151857, 200322, 202476, 303714, 400644, 523063, 607428, 1046126, 1569189, 2092252, 3138378, 4707567, 6276756, 9415134, 18830268]

約数ペア:

[(1, 18830268), (2, 9415134), (3, 6276756), (4, 4707567), (6, 3138378), (9, 2092252), (12, 1569189), (18, 1046126), (31, 607428), (36, 523063), (47, 400644), (62, 303714), (93, 202476), (94, 200322), (124, 151857), (141, 133548), (186, 101238), (188, 100161), (279, 67492), (282, 66774), (359, 52452), (372, 50619), (423, 44516), (558, 33746), (564, 33387), (718, 26226), (846, 22258), (1077, 17484), (1116, 16873), (1436, 13113), (1457, 12924), (1692, 11129), (2154, 8742), (2914, 6462), (3231, 5828), (4308, 4371)]