18995220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105529}}^1$

素因数の和:105544

約数の個数: 36

約数和(自身を含む): 57619380

約数和(自身を除く): 38624160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105529, 211058, 316587, 422116, 527645, 633174, 949761, 1055290, 1266348, 1582935, 1899522, 2110580, 3165870, 3799044, 4748805, 6331740, 9497610, 18995220]

約数ペア:

[(1, 18995220), (2, 9497610), (3, 6331740), (4, 4748805), (5, 3799044), (6, 3165870), (9, 2110580), (10, 1899522), (12, 1582935), (15, 1266348), (18, 1055290), (20, 949761), (30, 633174), (36, 527645), (45, 422116), (60, 316587), (90, 211058), (180, 105529)]