19019220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28817}}^1$

素因数の和:28840

約数の個数: 48

約数和(自身を含む): 58097088

約数和(自身を除く): 39077868

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, 28817, 57634, 86451, 115268, 144085, 172902, 288170, 316987, 345804, 432255, 576340, 633974, 864510, 950961, 1267948, 1584935, 1729020, 1901922, 3169870, 3803844, 4754805, 6339740, 9509610, 19019220]

約数ペア:

[(1, 19019220), (2, 9509610), (3, 6339740), (4, 4754805), (5, 3803844), (6, 3169870), (10, 1901922), (11, 1729020), (12, 1584935), (15, 1267948), (20, 950961), (22, 864510), (30, 633974), (33, 576340), (44, 432255), (55, 345804), (60, 316987), (66, 288170), (110, 172902), (132, 144085), (165, 115268), (220, 86451), (330, 57634), (660, 28817)]