19952031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3851}}^1$

素因数の和:4022

約数の個数: 16

約数和(自身を含む): 29213568

約数和(自身を除く): 9261537

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3851, 5181, 11553, 42361, 127083, 604607, 1813821, 6650677, 19952031]

約数ペア:

[(1, 19952031), (3, 6650677), (11, 1813821), (33, 604607), (157, 127083), (471, 42361), (1727, 11553), (3851, 5181)]