19100385

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9871}}^1$

素因数の和:9925

約数の個数: 24

約数和(自身を含む): 33880704

約数和(自身を除く): 14780319

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9871, 29613, 49355, 88839, 148065, 424453, 444195, 1273359, 2122265, 3820077, 6366795, 19100385]

約数ペア:

[(1, 19100385), (3, 6366795), (5, 3820077), (9, 2122265), (15, 1273359), (43, 444195), (45, 424453), (129, 148065), (215, 88839), (387, 49355), (645, 29613), (1935, 9871)]