18737440

素因数分解:

$2^5\times 5^1\times {\mathrm{117109}}^1$

素因数の和:117124

約数の個数: 24

約数和(自身を含む): 44267580

約数和(自身を除く): 25530140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117109, 234218, 468436, 585545, 936872, 1171090, 1873744, 2342180, 3747488, 4684360, 9368720, 18737440]

約数ペア:

[(1, 18737440), (2, 9368720), (4, 4684360), (5, 3747488), (8, 2342180), (10, 1873744), (16, 1171090), (20, 936872), (32, 585545), (40, 468436), (80, 234218), (160, 117109)]