19729620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109609}}^1$

素因数の和:109624

約数の個数: 36

約数和(自身を含む): 59847060

約数和(自身を除く): 40117440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109609, 219218, 328827, 438436, 548045, 657654, 986481, 1096090, 1315308, 1644135, 1972962, 2192180, 3288270, 3945924, 4932405, 6576540, 9864810, 19729620]

約数ペア:

[(1, 19729620), (2, 9864810), (3, 6576540), (4, 4932405), (5, 3945924), (6, 3288270), (9, 2192180), (10, 1972962), (12, 1644135), (15, 1315308), (18, 1096090), (20, 986481), (30, 657654), (36, 548045), (45, 438436), (60, 328827), (90, 219218), (180, 109609)]