18205928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5647}}^1$

素因数の和:5697

約数の個数: 32

約数和(自身を含む): 37954560

約数和(自身を除く): 19748632

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5647, 11294, 22588, 45176, 73411, 146822, 175057, 293644, 350114, 587288, 700228, 1400456, 2275741, 4551482, 9102964, 18205928]

約数ペア:

[(1, 18205928), (2, 9102964), (4, 4551482), (8, 2275741), (13, 1400456), (26, 700228), (31, 587288), (52, 350114), (62, 293644), (104, 175057), (124, 146822), (248, 73411), (403, 45176), (806, 22588), (1612, 11294), (3224, 5647)]