18896840

素因数分解:

$2^3\times 5^1\times {\mathrm{472421}}^1$

素因数の和:472432

約数の個数: 16

約数和(自身を含む): 42517980

約数和(自身を除く): 23621140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472421, 944842, 1889684, 2362105, 3779368, 4724210, 9448420, 18896840]

約数ペア:

[(1, 18896840), (2, 9448420), (4, 4724210), (5, 3779368), (8, 2362105), (10, 1889684), (20, 944842), (40, 472421)]