19215790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2393}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 38265696

約数和(自身を除く): 19049906

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2393, 4015, 4786, 8030, 11965, 23930, 26323, 52646, 131615, 174689, 263230, 349378, 873445, 1746890, 1921579, 3843158, 9607895, 19215790]

約数ペア:

[(1, 19215790), (2, 9607895), (5, 3843158), (10, 1921579), (11, 1746890), (22, 873445), (55, 349378), (73, 263230), (110, 174689), (146, 131615), (365, 52646), (730, 26323), (803, 23930), (1606, 11965), (2393, 8030), (4015, 4786)]