18109340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31223}}^1$

素因数の和:31261

約数の個数: 24

約数和(自身を含む): 39342240

約数和(自身を除く): 21232900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31223, 62446, 124892, 156115, 312230, 624460, 905467, 1810934, 3621868, 4527335, 9054670, 18109340]

約数ペア:

[(1, 18109340), (2, 9054670), (4, 4527335), (5, 3621868), (10, 1810934), (20, 905467), (29, 624460), (58, 312230), (116, 156115), (145, 124892), (290, 62446), (580, 31223)]