18778140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104323}}^1$

素因数の和:104338

約数の個数: 36

約数和(自身を含む): 56960904

約数和(自身を除く): 38182764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104323, 208646, 312969, 417292, 521615, 625938, 938907, 1043230, 1251876, 1564845, 1877814, 2086460, 3129690, 3755628, 4694535, 6259380, 9389070, 18778140]

約数ペア:

[(1, 18778140), (2, 9389070), (3, 6259380), (4, 4694535), (5, 3755628), (6, 3129690), (9, 2086460), (10, 1877814), (12, 1564845), (15, 1251876), (18, 1043230), (20, 938907), (30, 625938), (36, 521615), (45, 417292), (60, 312969), (90, 208646), (180, 104323)]