19802168

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{4751}}^1$

素因数の和:5278

約数の個数: 16

約数和(自身を含む): 37208160

約数和(自身を除く): 17405992

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 4751, 9502, 19004, 38008, 2475271, 4950542, 9901084, 19802168]

約数ペア:

[(1, 19802168), (2, 9901084), (4, 4950542), (8, 2475271), (521, 38008), (1042, 19004), (2084, 9502), (4168, 4751)]