18563507

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 20699712

約数和(自身を除く): 2136205

約数列:

[1, 17, 23, 197, 241, 391, 3349, 4097, 4531, 5543, 47477, 77027, 94231, 807109, 1091971, 18563507]

約数ペア:

[(1, 18563507), (17, 1091971), (23, 807109), (197, 94231), (241, 77027), (391, 47477), (3349, 5543), (4097, 4531)]