18918378

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2621}}^1$

素因数の和:3030

約数の個数: 24

約数和(自身を含む): 41107716

約数和(自身を除く): 22189338

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2621, 3609, 5242, 7218, 7863, 15726, 23589, 47178, 1051021, 2102042, 3153063, 6306126, 9459189, 18918378]

約数ペア:

[(1, 18918378), (2, 9459189), (3, 6306126), (6, 3153063), (9, 2102042), (18, 1051021), (401, 47178), (802, 23589), (1203, 15726), (2406, 7863), (2621, 7218), (3609, 5242)]