18657492080

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{388051}}^1$

素因数の和:388665

約数の個数: 40

約数和(自身を含む): 43450958544

約数和(自身を除く): 24793466464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 2404, 3005, 4808, 6010, 9616, 12020, 24040, 48080, 388051, 776102, 1552204, 1940255, 3104408, 3880510, 6208816, 7761020, 15522040, 31044080, 233218651, 466437302, 932874604, 1166093255, 1865749208, 2332186510, 3731498416, 4664373020, 9328746040, 18657492080]

約数ペア:

[(1, 18657492080), (2, 9328746040), (4, 4664373020), (5, 3731498416), (8, 2332186510), (10, 1865749208), (16, 1166093255), (20, 932874604), (40, 466437302), (80, 233218651), (601, 31044080), (1202, 15522040), (2404, 7761020), (3005, 6208816), (4808, 3880510), (6010, 3104408), (9616, 1940255), (12020, 1552204), (24040, 776102), (48080, 388051)]