19901186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4211}}^1$

素因数の和:4369

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11941534

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4211, 4726, 8422, 71587, 143174, 585329, 1170658, 9950593, 19901186]

約数ペア:

[(1, 19901186), (2, 9950593), (17, 1170658), (34, 585329), (139, 143174), (278, 71587), (2363, 8422), (4211, 4726)]