19142188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2687}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 36352512

約数和(自身を除く): 17210324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 2687, 3562, 5374, 7124, 10748, 34931, 69862, 139724, 368119, 736238, 1472476, 4785547, 9571094, 19142188]

約数ペア:

[(1, 19142188), (2, 9571094), (4, 4785547), (13, 1472476), (26, 736238), (52, 368119), (137, 139724), (274, 69862), (548, 34931), (1781, 10748), (2687, 7124), (3562, 5374)]