18678420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103769}}^1$

素因数の和:103784

約数の個数: 36

約数和(自身を含む): 56658420

約数和(自身を除く): 37980000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103769, 207538, 311307, 415076, 518845, 622614, 933921, 1037690, 1245228, 1556535, 1867842, 2075380, 3113070, 3735684, 4669605, 6226140, 9339210, 18678420]

約数ペア:

[(1, 18678420), (2, 9339210), (3, 6226140), (4, 4669605), (5, 3735684), (6, 3113070), (9, 2075380), (10, 1867842), (12, 1556535), (15, 1245228), (18, 1037690), (20, 933921), (30, 622614), (36, 518845), (45, 415076), (60, 311307), (90, 207538), (180, 103769)]