18887466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242147}}^1$

素因数の和:242165

約数の個数: 16

約数和(自身を含む): 40680864

約数和(自身を除く): 21793398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242147, 484294, 726441, 1452882, 3147911, 6295822, 9443733, 18887466]

約数ペア:

[(1, 18887466), (2, 9443733), (3, 6295822), (6, 3147911), (13, 1452882), (26, 726441), (39, 484294), (78, 242147)]