19915215947

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1805059}}^1$

素因数の和:1805146

約数の個数: 16

約数和(自身を含む): 23393577600

約数和(自身を除く): 3478361653

約数列:

[1, 11, 17, 59, 187, 649, 1003, 11033, 1805059, 19855649, 30686003, 106498481, 337546033, 1171483291, 1810474177, 19915215947]

約数ペア:

[(1, 19915215947), (11, 1810474177), (17, 1171483291), (59, 337546033), (187, 106498481), (649, 30686003), (1003, 19855649), (11033, 1805059)]