19708830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218987}}^1$

素因数の和:219000

約数の個数: 24

約数和(自身を含む): 51243192

約数和(自身を除く): 31534362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218987, 437974, 656961, 1094935, 1313922, 1970883, 2189870, 3284805, 3941766, 6569610, 9854415, 19708830]

約数ペア:

[(1, 19708830), (2, 9854415), (3, 6569610), (5, 3941766), (6, 3284805), (9, 2189870), (10, 1970883), (15, 1313922), (18, 1094935), (30, 656961), (45, 437974), (90, 218987)]