19828575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6779}}^1$

素因数の和:6808

約数の個数: 36

約数和(自身を含む): 38252760

約数和(自身を除く): 18424185

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6779, 20337, 33895, 61011, 88127, 101685, 169475, 264381, 305055, 440635, 508425, 793143, 1321905, 1525275, 2203175, 3965715, 6609525, 19828575]

約数ペア:

[(1, 19828575), (3, 6609525), (5, 3965715), (9, 2203175), (13, 1525275), (15, 1321905), (25, 793143), (39, 508425), (45, 440635), (65, 305055), (75, 264381), (117, 169475), (195, 101685), (225, 88127), (325, 61011), (585, 33895), (975, 20337), (2925, 6779)]