18510620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54443}}^1$

素因数の和:54469

約数の個数: 24

約数和(自身を含む): 41159664

約数和(自身を除く): 22649044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54443, 108886, 217772, 272215, 544430, 925531, 1088860, 1851062, 3702124, 4627655, 9255310, 18510620]

約数ペア:

[(1, 18510620), (2, 9255310), (4, 4627655), (5, 3702124), (10, 1851062), (17, 1088860), (20, 925531), (34, 544430), (68, 272215), (85, 217772), (170, 108886), (340, 54443)]