18025780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53017}}^1$

素因数の和:53043

約数の個数: 24

約数和(自身を含む): 40081608

約数和(自身を除く): 22055828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53017, 106034, 212068, 265085, 530170, 901289, 1060340, 1802578, 3605156, 4506445, 9012890, 18025780]

約数ペア:

[(1, 18025780), (2, 9012890), (4, 4506445), (5, 3605156), (10, 1802578), (17, 1060340), (20, 901289), (34, 530170), (68, 265085), (85, 212068), (170, 106034), (340, 53017)]