18221216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43801}}^1$

素因数の和:43824

約数の個数: 24

約数和(自身を含む): 38633364

約数和(自身を除く): 20412148

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 43801, 87602, 175204, 350408, 569413, 700816, 1138826, 1401632, 2277652, 4555304, 9110608, 18221216]

約数ペア:

[(1, 18221216), (2, 9110608), (4, 4555304), (8, 2277652), (13, 1401632), (16, 1138826), (26, 700816), (32, 569413), (52, 350408), (104, 175204), (208, 87602), (416, 43801)]