18637879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 21491680

約数和(自身を除く): 2853801

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1237, 15067, 16081, 23503, 75457, 305539, 980941, 1433683, 18637879]

約数ペア:

[(1, 18637879), (13, 1433683), (19, 980941), (61, 305539), (247, 75457), (793, 23503), (1159, 16081), (1237, 15067)]