22138768

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3557}}^1$

素因数の和:3954

約数の個数: 20

約数和(自身を含む): 43016220

約数和(自身を除く): 20877452

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3557, 6224, 7114, 14228, 28456, 56912, 1383673, 2767346, 5534692, 11069384, 22138768]

約数ペア:

[(1, 22138768), (2, 11069384), (4, 5534692), (8, 2767346), (16, 1383673), (389, 56912), (778, 28456), (1556, 14228), (3112, 7114), (3557, 6224)]