18639764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32587}}^1$

素因数の和:32615

約数の個数: 24

約数和(自身を含む): 38323488

約数和(自身を除く): 19683724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 32587, 65174, 130348, 358457, 423631, 716914, 847262, 1433828, 1694524, 4659941, 9319882, 18639764]

約数ペア:

[(1, 18639764), (2, 9319882), (4, 4659941), (11, 1694524), (13, 1433828), (22, 847262), (26, 716914), (44, 423631), (52, 358457), (143, 130348), (286, 65174), (572, 32587)]