18734870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24810730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 839, 1015, 1595, 1678, 2030, 2233, 3190, 4195, 4466, 5873, 8390, 9229, 11165, 11746, 18458, 22330, 24331, 29365, 46145, 48662, 58730, 64603, 92290, 121655, 129206, 170317, 243310, 267641, 323015, 340634, 535282, 646030, 851585, 1338205, 1703170, 1873487, 2676410, 3746974, 9367435, 18734870]

約数ペア:

[(1, 18734870), (2, 9367435), (5, 3746974), (7, 2676410), (10, 1873487), (11, 1703170), (14, 1338205), (22, 851585), (29, 646030), (35, 535282), (55, 340634), (58, 323015), (70, 267641), (77, 243310), (110, 170317), (145, 129206), (154, 121655), (203, 92290), (290, 64603), (319, 58730), (385, 48662), (406, 46145), (638, 29365), (770, 24331), (839, 22330), (1015, 18458), (1595, 11746), (1678, 11165), (2030, 9229), (2233, 8390), (3190, 5873), (4195, 4466)]