18985655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15373}}^1$

素因数の和:15410

約数の個数: 16

約数和(自身を含む): 25828320

約数和(自身を除く): 6842665

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15373, 76865, 199849, 292087, 999245, 1460435, 3797131, 18985655]

約数ペア:

[(1, 18985655), (5, 3797131), (13, 1460435), (19, 999245), (65, 292087), (95, 199849), (247, 76865), (1235, 15373)]