18006820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69257}}^1$

素因数の和:69279

約数の個数: 24

約数和(自身を含む): 40723704

約数和(自身を除く): 22716884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69257, 138514, 277028, 346285, 692570, 900341, 1385140, 1800682, 3601364, 4501705, 9003410, 18006820]

約数ペア:

[(1, 18006820), (2, 9003410), (4, 4501705), (5, 3601364), (10, 1800682), (13, 1385140), (20, 900341), (26, 692570), (52, 346285), (65, 277028), (130, 138514), (260, 69257)]