19907548

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 35610624

約数和(自身を除く): 15703076

約数列:

[1, 2, 4, 71, 142, 191, 284, 367, 382, 734, 764, 1468, 13561, 26057, 27122, 52114, 54244, 70097, 104228, 140194, 280388, 4976887, 9953774, 19907548]

約数ペア:

[(1, 19907548), (2, 9953774), (4, 4976887), (71, 280388), (142, 140194), (191, 104228), (284, 70097), (367, 54244), (382, 52114), (734, 27122), (764, 26057), (1468, 13561)]