18503140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54421}}^1$

素因数の和:54447

約数の個数: 24

約数和(自身を含む): 41143032

約数和(自身を除く): 22639892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54421, 108842, 217684, 272105, 544210, 925157, 1088420, 1850314, 3700628, 4625785, 9251570, 18503140]

約数ペア:

[(1, 18503140), (2, 9251570), (4, 4625785), (5, 3700628), (10, 1850314), (17, 1088420), (20, 925157), (34, 544210), (68, 272105), (85, 217684), (170, 108842), (340, 54421)]