19156436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 36379560

約数和(自身を除く): 17223124

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 2689, 3562, 5378, 7124, 10756, 34957, 69914, 139828, 368393, 736786, 1473572, 4789109, 9578218, 19156436]

約数ペア:

[(1, 19156436), (2, 9578218), (4, 4789109), (13, 1473572), (26, 736786), (52, 368393), (137, 139828), (274, 69914), (548, 34957), (1781, 10756), (2689, 7124), (3562, 5378)]