18908403

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 27158448

約数和(自身を除く): 8250045

約数列:

[1, 3, 17, 51, 113, 193, 289, 339, 579, 867, 1921, 3281, 5763, 9843, 21809, 32657, 55777, 65427, 97971, 167331, 370753, 1112259, 6302801, 18908403]

約数ペア:

[(1, 18908403), (3, 6302801), (17, 1112259), (51, 370753), (113, 167331), (193, 97971), (289, 65427), (339, 55777), (579, 32657), (867, 21809), (1921, 9843), (3281, 5763)]