18724740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{599}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 33892860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 599, 1042, 1198, 1563, 1797, 2084, 2396, 2605, 2995, 3126, 3594, 5210, 5990, 6252, 7188, 7815, 8985, 10420, 11980, 15630, 17970, 31260, 35940, 312079, 624158, 936237, 1248316, 1560395, 1872474, 3120790, 3744948, 4681185, 6241580, 9362370, 18724740]

約数ペア:

[(1, 18724740), (2, 9362370), (3, 6241580), (4, 4681185), (5, 3744948), (6, 3120790), (10, 1872474), (12, 1560395), (15, 1248316), (20, 936237), (30, 624158), (60, 312079), (521, 35940), (599, 31260), (1042, 17970), (1198, 15630), (1563, 11980), (1797, 10420), (2084, 8985), (2396, 7815), (2605, 7188), (2995, 6252), (3126, 5990), (3594, 5210)]