19186025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 25278144

約数和(自身を除く): 6092119

約数列:

[1, 5, 23, 25, 61, 115, 305, 547, 575, 1403, 1525, 2735, 7015, 12581, 13675, 33367, 35075, 62905, 166835, 314525, 767441, 834175, 3837205, 19186025]

約数ペア:

[(1, 19186025), (5, 3837205), (23, 834175), (25, 767441), (61, 314525), (115, 166835), (305, 62905), (547, 35075), (575, 33367), (1403, 13675), (1525, 12581), (2735, 7015)]