18991770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{90437}}^1$

素因数の和:90454

約数の個数: 32

約数和(自身を含む): 52092288

約数和(自身を除く): 33100518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 90437, 180874, 271311, 452185, 542622, 633059, 904370, 1266118, 1356555, 1899177, 2713110, 3165295, 3798354, 6330590, 9495885, 18991770]

約数ペア:

[(1, 18991770), (2, 9495885), (3, 6330590), (5, 3798354), (6, 3165295), (7, 2713110), (10, 1899177), (14, 1356555), (15, 1266118), (21, 904370), (30, 633059), (35, 542622), (42, 452185), (70, 271311), (105, 180874), (210, 90437)]