19458760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4723}}^1$

素因数の和:4837

約数の個数: 32

約数和(自身を含む): 44216640

約数和(自身を除く): 24757880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4723, 9446, 18892, 23615, 37784, 47230, 94460, 188920, 486469, 972938, 1945876, 2432345, 3891752, 4864690, 9729380, 19458760]

約数ペア:

[(1, 19458760), (2, 9729380), (4, 4864690), (5, 3891752), (8, 2432345), (10, 1945876), (20, 972938), (40, 486469), (103, 188920), (206, 94460), (412, 47230), (515, 37784), (824, 23615), (1030, 18892), (2060, 9446), (4120, 4723)]