18531796

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 33438944

約数和(自身を除く): 14907148

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 661, 1322, 2644, 7009, 14018, 28036, 28423, 56846, 107743, 113692, 215486, 430972, 4632949, 9265898, 18531796]

約数ペア:

[(1, 18531796), (2, 9265898), (4, 4632949), (43, 430972), (86, 215486), (163, 113692), (172, 107743), (326, 56846), (652, 28423), (661, 28036), (1322, 14018), (2644, 7009)]