18789040

素因数分解:

$2^4\times 5^1\times {\mathrm{234863}}^1$

素因数の和:234876

約数の個数: 20

約数和(自身を含む): 43684704

約数和(自身を除く): 24895664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234863, 469726, 939452, 1174315, 1878904, 2348630, 3757808, 4697260, 9394520, 18789040]

約数ペア:

[(1, 18789040), (2, 9394520), (4, 4697260), (5, 3757808), (8, 2348630), (10, 1878904), (16, 1174315), (20, 939452), (40, 469726), (80, 234863)]