18707236

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 34067264

約数和(自身を除く): 15360028

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1783, 2623, 3566, 5246, 7132, 10492, 76669, 108763, 153338, 217526, 306676, 435052, 4676809, 9353618, 18707236]

約数ペア:

[(1, 18707236), (2, 9353618), (4, 4676809), (43, 435052), (61, 306676), (86, 217526), (122, 153338), (172, 108763), (244, 76669), (1783, 10492), (2623, 7132), (3566, 5246)]