19707318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{64403}}^1$

素因数の和:64428

約数の個数: 24

約数和(自身を含む): 45211608

約数和(自身を除く): 25504290

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 64403, 128806, 193209, 386418, 579627, 1094851, 1159254, 2189702, 3284553, 6569106, 9853659, 19707318]

約数ペア:

[(1, 19707318), (2, 9853659), (3, 6569106), (6, 3284553), (9, 2189702), (17, 1159254), (18, 1094851), (34, 579627), (51, 386418), (102, 193209), (153, 128806), (306, 64403)]