19758950

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2069}}^1$

素因数の和:2272

約数の個数: 24

約数和(自身を含む): 36961920

約数和(自身を除く): 17202970

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2069, 4138, 4775, 9550, 10345, 20690, 51725, 103450, 395179, 790358, 1975895, 3951790, 9879475, 19758950]

約数ペア:

[(1, 19758950), (2, 9879475), (5, 3951790), (10, 1975895), (25, 790358), (50, 395179), (191, 103450), (382, 51725), (955, 20690), (1910, 10345), (2069, 9550), (4138, 4775)]