18709380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11549}}^1$

素因数の和:11570

約数の個数: 60

約数和(自身を含む): 58697100

約数和(自身を除く): 39987720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11549, 23098, 34647, 46196, 57745, 69294, 103941, 115490, 138588, 173235, 207882, 230980, 311823, 346470, 415764, 519705, 623646, 692940, 935469, 1039410, 1247292, 1559115, 1870938, 2078820, 3118230, 3741876, 4677345, 6236460, 9354690, 18709380]

約数ペア:

[(1, 18709380), (2, 9354690), (3, 6236460), (4, 4677345), (5, 3741876), (6, 3118230), (9, 2078820), (10, 1870938), (12, 1559115), (15, 1247292), (18, 1039410), (20, 935469), (27, 692940), (30, 623646), (36, 519705), (45, 415764), (54, 346470), (60, 311823), (81, 230980), (90, 207882), (108, 173235), (135, 138588), (162, 115490), (180, 103941), (270, 69294), (324, 57745), (405, 46196), (540, 34647), (810, 23098), (1620, 11549)]