18218420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82811}}^1$

素因数の和:82831

約数の個数: 24

約数和(自身を含む): 41737248

約数和(自身を除く): 23518828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82811, 165622, 331244, 414055, 828110, 910921, 1656220, 1821842, 3643684, 4554605, 9109210, 18218420]

約数ペア:

[(1, 18218420), (2, 9109210), (4, 4554605), (5, 3643684), (10, 1821842), (11, 1656220), (20, 910921), (22, 828110), (44, 414055), (55, 331244), (110, 165622), (220, 82811)]