12219770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71881}}^1$

素因数の和:71905

約数の個数: 16

約数和(自身を含む): 23289768

約数和(自身を除く): 11069998

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 71881, 143762, 359405, 718810, 1221977, 2443954, 6109885, 12219770]

約数ペア:

[(1, 12219770), (2, 6109885), (5, 2443954), (10, 1221977), (17, 718810), (34, 359405), (85, 143762), (170, 71881)]