17903860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5297}}^1$

素因数の和:5332

約数の個数: 36

約数和(自身を含む): 40720428

約数和(自身を除く): 22816568

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5297, 10594, 21188, 26485, 52970, 68861, 105940, 137722, 275444, 344305, 688610, 895193, 1377220, 1790386, 3580772, 4475965, 8951930, 17903860]

約数ペア:

[(1, 17903860), (2, 8951930), (4, 4475965), (5, 3580772), (10, 1790386), (13, 1377220), (20, 895193), (26, 688610), (52, 344305), (65, 275444), (130, 137722), (169, 105940), (260, 68861), (338, 52970), (676, 26485), (845, 21188), (1690, 10594), (3380, 5297)]