18138131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 20917248

約数和(自身を除く): 2779117

約数列:

[1, 11, 31, 43, 341, 473, 1237, 1333, 13607, 14663, 38347, 53191, 421817, 585101, 1648921, 18138131]

約数ペア:

[(1, 18138131), (11, 1648921), (31, 585101), (43, 421817), (341, 53191), (473, 38347), (1237, 14663), (1333, 13607)]