18227220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27617}}^1$

素因数の和:27640

約数の個数: 48

約数和(自身を含む): 55677888

約数和(自身を除く): 37450668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27617, 55234, 82851, 110468, 138085, 165702, 276170, 303787, 331404, 414255, 552340, 607574, 828510, 911361, 1215148, 1518935, 1657020, 1822722, 3037870, 3645444, 4556805, 6075740, 9113610, 18227220]

約数ペア:

[(1, 18227220), (2, 9113610), (3, 6075740), (4, 4556805), (5, 3645444), (6, 3037870), (10, 1822722), (11, 1657020), (12, 1518935), (15, 1215148), (20, 911361), (22, 828510), (30, 607574), (33, 552340), (44, 414255), (55, 331404), (60, 303787), (66, 276170), (110, 165702), (132, 138085), (165, 110468), (220, 82851), (330, 55234), (660, 27617)]