19528506

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 43550400

約数和(自身を除く): 24021894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 859, 1263, 1718, 2526, 2577, 3789, 5154, 7578, 7731, 11367, 15462, 22734, 23193, 46386, 361639, 723278, 1084917, 2169834, 3254751, 6509502, 9764253, 19528506]

約数ペア:

[(1, 19528506), (2, 9764253), (3, 6509502), (6, 3254751), (9, 2169834), (18, 1084917), (27, 723278), (54, 361639), (421, 46386), (842, 23193), (859, 22734), (1263, 15462), (1718, 11367), (2526, 7731), (2577, 7578), (3789, 5154)]