19747624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189881}}^1$

素因数の和:189900

約数の個数: 16

約数和(自身を含む): 39875220

約数和(自身を除く): 20127596

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189881, 379762, 759524, 1519048, 2468453, 4936906, 9873812, 19747624]

約数ペア:

[(1, 19747624), (2, 9873812), (4, 4936906), (8, 2468453), (13, 1519048), (26, 759524), (52, 379762), (104, 189881)]