18208575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1051}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 40699776

約数和(自身を除く): 22491201

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1051, 1155, 1575, 1925, 2475, 3153, 3465, 5255, 5775, 7357, 9459, 11561, 15765, 17325, 22071, 26275, 34683, 36785, 47295, 57805, 66213, 78825, 80927, 104049, 110355, 173415, 183925, 236475, 242781, 289025, 331065, 404635, 520245, 551775, 728343, 867075, 1213905, 1655325, 2023175, 2601225, 3641715, 6069525, 18208575]

約数ペア:

[(1, 18208575), (3, 6069525), (5, 3641715), (7, 2601225), (9, 2023175), (11, 1655325), (15, 1213905), (21, 867075), (25, 728343), (33, 551775), (35, 520245), (45, 404635), (55, 331065), (63, 289025), (75, 242781), (77, 236475), (99, 183925), (105, 173415), (165, 110355), (175, 104049), (225, 80927), (231, 78825), (275, 66213), (315, 57805), (385, 47295), (495, 36785), (525, 34683), (693, 26275), (825, 22071), (1051, 17325), (1155, 15765), (1575, 11561), (1925, 9459), (2475, 7357), (3153, 5775), (3465, 5255)]