19372240

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2351}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 45497088

約数和(自身を除く): 26124848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2351, 4120, 4702, 8240, 9404, 11755, 18808, 23510, 37616, 47020, 94040, 188080, 242153, 484306, 968612, 1210765, 1937224, 2421530, 3874448, 4843060, 9686120, 19372240]

約数ペア:

[(1, 19372240), (2, 9686120), (4, 4843060), (5, 3874448), (8, 2421530), (10, 1937224), (16, 1210765), (20, 968612), (40, 484306), (80, 242153), (103, 188080), (206, 94040), (412, 47020), (515, 37616), (824, 23510), (1030, 18808), (1648, 11755), (2060, 9404), (2351, 8240), (4120, 4702)]