19889319

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6133}}^1$

素因数の和:6206

約数の個数: 16

約数和(自身を含む): 28265472

約数和(自身を除く): 8376153

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6133, 18399, 141059, 288251, 423177, 864753, 6629773, 19889319]

約数ペア:

[(1, 19889319), (3, 6629773), (23, 864753), (47, 423177), (69, 288251), (141, 141059), (1081, 18399), (3243, 6133)]