19677619

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 22589280

約数和(自身を除く): 2911661

約数列:

[1, 13, 17, 221, 269, 331, 3497, 4303, 4573, 5627, 59449, 73151, 89039, 1157507, 1513663, 19677619]

約数ペア:

[(1, 19677619), (13, 1513663), (17, 1157507), (221, 89039), (269, 73151), (331, 59449), (3497, 5627), (4303, 4573)]