19686563

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 22243200

約数和(自身を除く): 2556637

約数列:

[1, 13, 29, 79, 377, 661, 1027, 2291, 8593, 19169, 29783, 52219, 249197, 678847, 1514351, 19686563]

約数ペア:

[(1, 19686563), (13, 1514351), (29, 678847), (79, 249197), (377, 52219), (661, 29783), (1027, 19169), (2291, 8593)]