19374020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4591}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 40887168

約数和(自身を除く): 21513148

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4591, 9182, 18364, 22955, 45910, 91820, 968701, 1937402, 3874804, 4843505, 9687010, 19374020]

約数ペア:

[(1, 19374020), (2, 9687010), (4, 4843505), (5, 3874804), (10, 1937402), (20, 968701), (211, 91820), (422, 45910), (844, 22955), (1055, 18364), (2110, 9182), (4220, 4591)]