18390940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54091}}^1$

素因数の和:54117

約数の個数: 24

約数和(自身を含む): 40893552

約数和(自身を除く): 22502612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54091, 108182, 216364, 270455, 540910, 919547, 1081820, 1839094, 3678188, 4597735, 9195470, 18390940]

約数ペア:

[(1, 18390940), (2, 9195470), (4, 4597735), (5, 3678188), (10, 1839094), (17, 1081820), (20, 919547), (34, 540910), (68, 270455), (85, 216364), (170, 108182), (340, 54091)]