19665391

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 12

約数和(自身を含む): 20935152

約数和(自身を除く): 1269761

約数列:

[1, 23, 79, 137, 1817, 3151, 6241, 10823, 143543, 248929, 855017, 19665391]

約数ペア:

[(1, 19665391), (23, 855017), (79, 248929), (137, 143543), (1817, 10823), (3151, 6241)]