17861740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68699}}^1$

素因数の和:68721

約数の個数: 24

約数和(自身を含む): 40395600

約数和(自身を除く): 22533860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68699, 137398, 274796, 343495, 686990, 893087, 1373980, 1786174, 3572348, 4465435, 8930870, 17861740]

約数ペア:

[(1, 17861740), (2, 8930870), (4, 4465435), (5, 3572348), (10, 1786174), (13, 1373980), (20, 893087), (26, 686990), (52, 343495), (65, 274796), (130, 137398), (260, 68699)]