18361640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 28294360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1439, 1595, 2552, 2878, 3190, 5756, 6380, 7195, 11512, 12760, 14390, 15829, 28780, 31658, 41731, 57560, 63316, 79145, 83462, 126632, 158290, 166924, 208655, 316580, 333848, 417310, 459041, 633160, 834620, 918082, 1669240, 1836164, 2295205, 3672328, 4590410, 9180820, 18361640]

約数ペア:

[(1, 18361640), (2, 9180820), (4, 4590410), (5, 3672328), (8, 2295205), (10, 1836164), (11, 1669240), (20, 918082), (22, 834620), (29, 633160), (40, 459041), (44, 417310), (55, 333848), (58, 316580), (88, 208655), (110, 166924), (116, 158290), (145, 126632), (220, 83462), (232, 79145), (290, 63316), (319, 57560), (440, 41731), (580, 31658), (638, 28780), (1160, 15829), (1276, 14390), (1439, 12760), (1595, 11512), (2552, 7195), (2878, 6380), (3190, 5756)]