19651303828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1489}}^1\times {\mathrm{253801}}^1$

素因数の和:255307

約数の個数: 24

約数和(自身を含む): 37060168040

約数和(自身を除く): 17408864212

約数列:

[1, 2, 4, 13, 26, 52, 1489, 2978, 5956, 19357, 38714, 77428, 253801, 507602, 1015204, 3299413, 6598826, 13197652, 377909689, 755819378, 1511638756, 4912825957, 9825651914, 19651303828]

約数ペア:

[(1, 19651303828), (2, 9825651914), (4, 4912825957), (13, 1511638756), (26, 755819378), (52, 377909689), (1489, 13197652), (2978, 6598826), (5956, 3299413), (19357, 1015204), (38714, 507602), (77428, 253801)]