17731960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3923}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 40260240

約数和(自身を除く): 22528280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3923, 4520, 7846, 15692, 19615, 31384, 39230, 78460, 156920, 443299, 886598, 1773196, 2216495, 3546392, 4432990, 8865980, 17731960]

約数ペア:

[(1, 17731960), (2, 8865980), (4, 4432990), (5, 3546392), (8, 2216495), (10, 1773196), (20, 886598), (40, 443299), (113, 156920), (226, 78460), (452, 39230), (565, 31384), (904, 19615), (1130, 15692), (2260, 7846), (3923, 4520)]