18257220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101429}}^1$

素因数の和:101444

約数の個数: 36

約数和(自身を含む): 55380780

約数和(自身を除く): 37123560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 101429, 202858, 304287, 405716, 507145, 608574, 912861, 1014290, 1217148, 1521435, 1825722, 2028580, 3042870, 3651444, 4564305, 6085740, 9128610, 18257220]

約数ペア:

[(1, 18257220), (2, 9128610), (3, 6085740), (4, 4564305), (5, 3651444), (6, 3042870), (9, 2028580), (10, 1825722), (12, 1521435), (15, 1217148), (18, 1014290), (20, 912861), (30, 608574), (36, 507145), (45, 405716), (60, 304287), (90, 202858), (180, 101429)]