16917220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44519}}^1$

素因数の和:44547

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 20479580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44519, 89038, 178076, 222595, 445190, 845861, 890380, 1691722, 3383444, 4229305, 8458610, 16917220]

約数ペア:

[(1, 16917220), (2, 8458610), (4, 4229305), (5, 3383444), (10, 1691722), (19, 890380), (20, 845861), (38, 445190), (76, 222595), (95, 178076), (190, 89038), (380, 44519)]