18879672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 35609928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 109, 168, 218, 327, 436, 654, 763, 872, 1031, 1308, 1526, 2062, 2289, 2616, 3052, 3093, 4124, 4578, 6104, 6186, 7217, 8248, 9156, 12372, 14434, 18312, 21651, 24744, 28868, 43302, 57736, 86604, 112379, 173208, 224758, 337137, 449516, 674274, 786653, 899032, 1348548, 1573306, 2359959, 2697096, 3146612, 4719918, 6293224, 9439836, 18879672]

約数ペア:

[(1, 18879672), (2, 9439836), (3, 6293224), (4, 4719918), (6, 3146612), (7, 2697096), (8, 2359959), (12, 1573306), (14, 1348548), (21, 899032), (24, 786653), (28, 674274), (42, 449516), (56, 337137), (84, 224758), (109, 173208), (168, 112379), (218, 86604), (327, 57736), (436, 43302), (654, 28868), (763, 24744), (872, 21651), (1031, 18312), (1308, 14434), (1526, 12372), (2062, 9156), (2289, 8248), (2616, 7217), (3052, 6186), (3093, 6104), (4124, 4578)]