201819995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163417}}^1$

素因数の和:163454

約数の個数: 16

約数和(自身を含む): 274542240

約数和(自身を除く): 72722245

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 163417, 817085, 2124421, 3104923, 10622105, 15524615, 40363999, 201819995]

約数ペア:

[(1, 201819995), (5, 40363999), (13, 15524615), (19, 10622105), (65, 3104923), (95, 2124421), (247, 817085), (1235, 163417)]