19620848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94331}}^1$

素因数の和:94352

約数の個数: 20

約数和(自身を含む): 40940088

約数和(自身を除く): 21319240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94331, 188662, 377324, 754648, 1226303, 1509296, 2452606, 4905212, 9810424, 19620848]

約数ペア:

[(1, 19620848), (2, 9810424), (4, 4905212), (8, 2452606), (13, 1509296), (16, 1226303), (26, 754648), (52, 377324), (104, 188662), (208, 94331)]