19897163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2366

約数の個数: 16

約数和(自身を含む): 23769312

約数和(自身を除く): 3872149

約数列:

[1, 11, 13, 61, 143, 671, 793, 2281, 8723, 25091, 29653, 139141, 326183, 1530551, 1808833, 19897163]

約数ペア:

[(1, 19897163), (11, 1808833), (13, 1530551), (61, 326183), (143, 139141), (671, 29653), (793, 25091), (2281, 8723)]