18174890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 33932304

約数和(自身を除く): 15757414

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 457, 485, 914, 970, 2285, 3977, 4570, 7954, 18737, 19885, 37474, 39770, 44329, 88658, 93685, 187370, 221645, 443290, 1817489, 3634978, 9087445, 18174890]

約数ペア:

[(1, 18174890), (2, 9087445), (5, 3634978), (10, 1817489), (41, 443290), (82, 221645), (97, 187370), (194, 93685), (205, 88658), (410, 44329), (457, 39770), (485, 37474), (914, 19885), (970, 18737), (2285, 7954), (3977, 4570)]