19745336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189859}}^1$

素因数の和:189878

約数の個数: 16

約数和(自身を含む): 39870600

約数和(自身を除く): 20125264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189859, 379718, 759436, 1518872, 2468167, 4936334, 9872668, 19745336]

約数ペア:

[(1, 19745336), (2, 9872668), (4, 4936334), (8, 2468167), (13, 1518872), (26, 759436), (52, 379718), (104, 189859)]