15218728

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 32745600

約数和(自身を除く): 17526872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 757, 1436, 1514, 2513, 2872, 3028, 5026, 5299, 6056, 10052, 10598, 20104, 21196, 42392, 271763, 543526, 1087052, 1902341, 2174104, 3804682, 7609364, 15218728]

約数ペア:

[(1, 15218728), (2, 7609364), (4, 3804682), (7, 2174104), (8, 1902341), (14, 1087052), (28, 543526), (56, 271763), (359, 42392), (718, 21196), (757, 20104), (1436, 10598), (1514, 10052), (2513, 6056), (2872, 5299), (3028, 5026)]