19501585

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 25044264

約数和(自身を除く): 5542679

約数列:

[1, 5, 23, 73, 101, 115, 365, 505, 529, 1679, 2323, 2645, 7373, 8395, 11615, 36865, 38617, 53429, 169579, 193085, 267145, 847895, 3900317, 19501585]

約数ペア:

[(1, 19501585), (5, 3900317), (23, 847895), (73, 267145), (101, 193085), (115, 169579), (365, 53429), (505, 38617), (529, 36865), (1679, 11615), (2323, 8395), (2645, 7373)]