18931664

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40801}}^1$

素因数の和:40838

約数の個数: 20

約数和(自身を含む): 37945860

約数和(自身を除く): 19014196

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40801, 81602, 163204, 326408, 652816, 1183229, 2366458, 4732916, 9465832, 18931664]

約数ペア:

[(1, 18931664), (2, 9465832), (4, 4732916), (8, 2366458), (16, 1183229), (29, 652816), (58, 326408), (116, 163204), (232, 81602), (464, 40801)]