18043240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14551}}^1$

素因数の和:14593

約数の個数: 32

約数和(自身を含む): 41909760

約数和(自身を除く): 23866520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14551, 29102, 58204, 72755, 116408, 145510, 291020, 451081, 582040, 902162, 1804324, 2255405, 3608648, 4510810, 9021620, 18043240]

約数ペア:

[(1, 18043240), (2, 9021620), (4, 4510810), (5, 3608648), (8, 2255405), (10, 1804324), (20, 902162), (31, 582040), (40, 451081), (62, 291020), (124, 145510), (155, 116408), (248, 72755), (310, 58204), (620, 29102), (1240, 14551)]