18460880

素因数分解:

$2^4\times 5^1\times {\mathrm{230761}}^1$

素因数の和:230774

約数の個数: 20

約数和(自身を含む): 42921732

約数和(自身を除く): 24460852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230761, 461522, 923044, 1153805, 1846088, 2307610, 3692176, 4615220, 9230440, 18460880]

約数ペア:

[(1, 18460880), (2, 9230440), (4, 4615220), (5, 3692176), (8, 2307610), (10, 1846088), (16, 1153805), (20, 923044), (40, 461522), (80, 230761)]