18757388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2213}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 35583408

約数和(自身を除く): 16826020

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2213, 4238, 4426, 8476, 8852, 28769, 57538, 115076, 360719, 721438, 1442876, 4689347, 9378694, 18757388]

約数ペア:

[(1, 18757388), (2, 9378694), (4, 4689347), (13, 1442876), (26, 721438), (52, 360719), (163, 115076), (326, 57538), (652, 28769), (2119, 8852), (2213, 8476), (4238, 4426)]