18958975

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 27105408

約数和(自身を除く): 8146433

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 827, 917, 3275, 4135, 4585, 5789, 20675, 22925, 28945, 108337, 144725, 541685, 758359, 2708425, 3791795, 18958975]

約数ペア:

[(1, 18958975), (5, 3791795), (7, 2708425), (25, 758359), (35, 541685), (131, 144725), (175, 108337), (655, 28945), (827, 22925), (917, 20675), (3275, 5789), (4135, 4585)]