18927270

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7789}}^1$

素因数の和:7811

約数の個数: 48

約数和(自身を含む): 51040080

約数和(自身を除く): 32112810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7789, 15578, 23367, 38945, 46734, 70101, 77890, 116835, 140202, 210303, 233670, 350505, 420606, 630909, 701010, 1051515, 1261818, 1892727, 2103030, 3154545, 3785454, 6309090, 9463635, 18927270]

約数ペア:

[(1, 18927270), (2, 9463635), (3, 6309090), (5, 3785454), (6, 3154545), (9, 2103030), (10, 1892727), (15, 1261818), (18, 1051515), (27, 701010), (30, 630909), (45, 420606), (54, 350505), (81, 233670), (90, 210303), (135, 140202), (162, 116835), (243, 77890), (270, 70101), (405, 46734), (486, 38945), (810, 23367), (1215, 15578), (2430, 7789)]