19816108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2909}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 37643760

約数和(自身を除く): 17827652

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 2909, 3406, 5818, 6812, 11636, 37817, 75634, 151268, 381079, 762158, 1524316, 4954027, 9908054, 19816108]

約数ペア:

[(1, 19816108), (2, 9908054), (4, 4954027), (13, 1524316), (26, 762158), (52, 381079), (131, 151268), (262, 75634), (524, 37817), (1703, 11636), (2909, 6812), (3406, 5818)]