19769580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109831}}^1$

素因数の和:109846

約数の個数: 36

約数和(自身を含む): 59968272

約数和(自身を除く): 40198692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109831, 219662, 329493, 439324, 549155, 658986, 988479, 1098310, 1317972, 1647465, 1976958, 2196620, 3294930, 3953916, 4942395, 6589860, 9884790, 19769580]

約数ペア:

[(1, 19769580), (2, 9884790), (3, 6589860), (4, 4942395), (5, 3953916), (6, 3294930), (9, 2196620), (10, 1976958), (12, 1647465), (15, 1317972), (18, 1098310), (20, 988479), (30, 658986), (36, 549155), (45, 439324), (60, 329493), (90, 219662), (180, 109831)]