19012620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28807}}^1$

素因数の和:28830

約数の個数: 48

約数和(自身を含む): 58076928

約数和(自身を除く): 39064308

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, 28807, 57614, 86421, 115228, 144035, 172842, 288070, 316877, 345684, 432105, 576140, 633754, 864210, 950631, 1267508, 1584385, 1728420, 1901262, 3168770, 3802524, 4753155, 6337540, 9506310, 19012620]

約数ペア:

[(1, 19012620), (2, 9506310), (3, 6337540), (4, 4753155), (5, 3802524), (6, 3168770), (10, 1901262), (11, 1728420), (12, 1584385), (15, 1267508), (20, 950631), (22, 864210), (30, 633754), (33, 576140), (44, 432105), (55, 345684), (60, 316877), (66, 288070), (110, 172842), (132, 144035), (165, 115228), (220, 86421), (330, 57614), (660, 28807)]