19578420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108769}}^1$

素因数の和:108784

約数の個数: 36

約数和(自身を含む): 59388420

約数和(自身を除く): 39810000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108769, 217538, 326307, 435076, 543845, 652614, 978921, 1087690, 1305228, 1631535, 1957842, 2175380, 3263070, 3915684, 4894605, 6526140, 9789210, 19578420]

約数ペア:

[(1, 19578420), (2, 9789210), (3, 6526140), (4, 4894605), (5, 3915684), (6, 3263070), (9, 2175380), (10, 1957842), (12, 1631535), (15, 1305228), (18, 1087690), (20, 978921), (30, 652614), (36, 543845), (45, 435076), (60, 326307), (90, 217538), (180, 108769)]