19993830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666461}}^1$

素因数の和:666471

約数の個数: 16

約数和(自身を含む): 47985264

約数和(自身を除く): 27991434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666461, 1332922, 1999383, 3332305, 3998766, 6664610, 9996915, 19993830]

約数ペア:

[(1, 19993830), (2, 9996915), (3, 6664610), (5, 3998766), (6, 3332305), (10, 1999383), (15, 1332922), (30, 666461)]