18889286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5303}}^1$

素因数の和:5455

約数の個数: 16

約数和(自身を含む): 30741984

約数和(自身を除く): 11852698

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5303, 10606, 68939, 137878, 726511, 1453022, 9444643, 18889286]

約数ペア:

[(1, 18889286), (2, 9444643), (13, 1453022), (26, 726511), (137, 137878), (274, 68939), (1781, 10606), (3562, 5303)]