19941727

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 22171968

約数和(自身を除く): 2230241

約数列:

[1, 13, 53, 103, 281, 689, 1339, 3653, 5459, 14893, 28943, 70967, 193609, 376259, 1533979, 19941727]

約数ペア:

[(1, 19941727), (13, 1533979), (53, 376259), (103, 193609), (281, 70967), (689, 28943), (1339, 14893), (3653, 5459)]