19493708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{374879}}^1$

素因数の和:374896

約数の個数: 12

約数和(自身を含む): 36738240

約数和(自身を除く): 17244532

約数列:

[1, 2, 4, 13, 26, 52, 374879, 749758, 1499516, 4873427, 9746854, 19493708]

約数ペア:

[(1, 19493708), (2, 9746854), (4, 4873427), (13, 1499516), (26, 749758), (52, 374879)]