19039700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4112

約数の個数: 36

約数和(自身を含む): 42205632

約数和(自身を除く): 23165932

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4051, 4700, 8102, 16204, 20255, 40510, 81020, 101275, 190397, 202550, 380794, 405100, 761588, 951985, 1903970, 3807940, 4759925, 9519850, 19039700]

約数ペア:

[(1, 19039700), (2, 9519850), (4, 4759925), (5, 3807940), (10, 1903970), (20, 951985), (25, 761588), (47, 405100), (50, 380794), (94, 202550), (100, 190397), (188, 101275), (235, 81020), (470, 40510), (940, 20255), (1175, 16204), (2350, 8102), (4051, 4700)]