19274481

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10377999

約数列:

[1, 3, 9, 17, 51, 153, 263, 479, 789, 1437, 2367, 4311, 4471, 8143, 13413, 24429, 40239, 73287, 125977, 377931, 1133793, 2141609, 6424827, 19274481]

約数ペア:

[(1, 19274481), (3, 6424827), (9, 2141609), (17, 1133793), (51, 377931), (153, 125977), (263, 73287), (479, 40239), (789, 24429), (1437, 13413), (2367, 8143), (4311, 4471)]