18379400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7069}}^1$

素因数の和:7098

約数の個数: 48

約数和(自身を含む): 46025700

約数和(自身を除く): 27646300

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7069, 14138, 28276, 35345, 56552, 70690, 91897, 141380, 176725, 183794, 282760, 353450, 367588, 459485, 706900, 735176, 918970, 1413800, 1837940, 2297425, 3675880, 4594850, 9189700, 18379400]

約数ペア:

[(1, 18379400), (2, 9189700), (4, 4594850), (5, 3675880), (8, 2297425), (10, 1837940), (13, 1413800), (20, 918970), (25, 735176), (26, 706900), (40, 459485), (50, 367588), (52, 353450), (65, 282760), (100, 183794), (104, 176725), (130, 141380), (200, 91897), (260, 70690), (325, 56552), (520, 35345), (650, 28276), (1300, 14138), (2600, 7069)]