11919805

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 15539112

約数和(自身を除く): 3619307

約数列:

[1, 5, 17, 73, 85, 113, 289, 365, 565, 1241, 1445, 1921, 6205, 8249, 9605, 21097, 32657, 41245, 105485, 140233, 163285, 701165, 2383961, 11919805]

約数ペア:

[(1, 11919805), (5, 2383961), (17, 701165), (73, 163285), (85, 140233), (113, 105485), (289, 41245), (365, 32657), (565, 21097), (1241, 9605), (1445, 8249), (1921, 6205)]