18701930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 36457344

約数和(自身を除く): 17755414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 547, 1094, 1315, 2630, 2735, 3419, 5470, 6838, 7111, 14222, 17095, 34190, 35555, 71110, 143861, 287722, 719305, 1438610, 1870193, 3740386, 9350965, 18701930]

約数ペア:

[(1, 18701930), (2, 9350965), (5, 3740386), (10, 1870193), (13, 1438610), (26, 719305), (65, 287722), (130, 143861), (263, 71110), (526, 35555), (547, 34190), (1094, 17095), (1315, 14222), (2630, 7111), (2735, 6838), (3419, 5470)]