19115421

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 28372320

約数和(自身を除く): 9256899

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1019, 1443, 3057, 6253, 13247, 18759, 37703, 39741, 113109, 172211, 490139, 516633, 1470417, 6371807, 19115421]

約数ペア:

[(1, 19115421), (3, 6371807), (13, 1470417), (37, 516633), (39, 490139), (111, 172211), (169, 113109), (481, 39741), (507, 37703), (1019, 18759), (1443, 13247), (3057, 6253)]