18995655140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12334841}}^1$

素因数の和:12334868

約数の個数: 48

約数和(自身を含む): 49734082944

約数和(自身を除く): 30738427804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12334841, 24669682, 49339364, 61674205, 86343887, 123348410, 135683251, 172687774, 246696820, 271366502, 345375548, 431719435, 542733004, 678416255, 863438870, 949782757, 1356832510, 1726877740, 1899565514, 2713665020, 3799131028, 4748913785, 9497827570, 18995655140]

約数ペア:

[(1, 18995655140), (2, 9497827570), (4, 4748913785), (5, 3799131028), (7, 2713665020), (10, 1899565514), (11, 1726877740), (14, 1356832510), (20, 949782757), (22, 863438870), (28, 678416255), (35, 542733004), (44, 431719435), (55, 345375548), (70, 271366502), (77, 246696820), (110, 172687774), (140, 135683251), (154, 123348410), (220, 86343887), (308, 61674205), (385, 49339364), (770, 24669682), (1540, 12334841)]