19118313

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4861}}^1$

素因数の和:4909

約数の個数: 24

約数和(自身を含む): 30338880

約数和(自身を除く): 11220567

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4861, 14583, 43749, 92359, 111803, 277077, 335409, 831231, 1006227, 2124257, 6372771, 19118313]

約数ペア:

[(1, 19118313), (3, 6372771), (9, 2124257), (19, 1006227), (23, 831231), (57, 335409), (69, 277077), (171, 111803), (207, 92359), (437, 43749), (1311, 14583), (3933, 4861)]