17971759

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 19936224

約数和(自身を除く): 1964465

約数列:

[1, 13, 61, 131, 173, 793, 1703, 2249, 7991, 10553, 22663, 103883, 137189, 294619, 1382443, 17971759]

約数ペア:

[(1, 17971759), (13, 1382443), (61, 294619), (131, 137189), (173, 103883), (793, 22663), (1703, 10553), (2249, 7991)]