18364420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54013}}^1$

素因数の和:54039

約数の個数: 24

約数和(自身を含む): 40834584

約数和(自身を除く): 22470164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54013, 108026, 216052, 270065, 540130, 918221, 1080260, 1836442, 3672884, 4591105, 9182210, 18364420]

約数ペア:

[(1, 18364420), (2, 9182210), (4, 4591105), (5, 3672884), (10, 1836442), (17, 1080260), (20, 918221), (34, 540130), (68, 270065), (85, 216052), (170, 108026), (340, 54013)]