19924820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18797}}^1$

素因数の和:18859

約数の個数: 24

約数和(自身を含む): 42633864

約数和(自身を除く): 22709044

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18797, 37594, 75188, 93985, 187970, 375940, 996241, 1992482, 3984964, 4981205, 9962410, 19924820]

約数ペア:

[(1, 19924820), (2, 9962410), (4, 4981205), (5, 3984964), (10, 1992482), (20, 996241), (53, 375940), (106, 187970), (212, 93985), (265, 75188), (530, 37594), (1060, 18797)]