19510672

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11839}}^1$

素因数の和:11950

約数の個数: 20

約数和(自身を含む): 38172160

約数和(自身を除く): 18661488

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11839, 23678, 47356, 94712, 189424, 1219417, 2438834, 4877668, 9755336, 19510672]

約数ペア:

[(1, 19510672), (2, 9755336), (4, 4877668), (8, 2438834), (16, 1219417), (103, 189424), (206, 94712), (412, 47356), (824, 23678), (1648, 11839)]