19198865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 28594944

約数和(自身を除く): 9396079

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 787, 1435, 3485, 3935, 4879, 5509, 13379, 24395, 27545, 32267, 66895, 93653, 161335, 225869, 468265, 548539, 1129345, 2742695, 3839773, 19198865]

約数ペア:

[(1, 19198865), (5, 3839773), (7, 2742695), (17, 1129345), (35, 548539), (41, 468265), (85, 225869), (119, 161335), (205, 93653), (287, 66895), (595, 32267), (697, 27545), (787, 24395), (1435, 13379), (3485, 5509), (3935, 4879)]