18149540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53381}}^1$

素因数の和:53407

約数の個数: 24

約数和(自身を含む): 40356792

約数和(自身を除く): 22207252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53381, 106762, 213524, 266905, 533810, 907477, 1067620, 1814954, 3629908, 4537385, 9074770, 18149540]

約数ペア:

[(1, 18149540), (2, 9074770), (4, 4537385), (5, 3629908), (10, 1814954), (17, 1067620), (20, 907477), (34, 533810), (68, 266905), (85, 213524), (170, 106762), (340, 53381)]