18730107

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 13618053

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 187, 279, 341, 359, 527, 561, 1023, 1077, 1581, 1683, 3069, 3231, 3949, 4743, 5797, 6103, 11129, 11847, 17391, 18309, 33387, 35541, 52173, 54927, 67133, 100161, 122419, 189193, 201399, 367257, 567579, 604197, 1101771, 1702737, 2081123, 6243369, 18730107]

約数ペア:

[(1, 18730107), (3, 6243369), (9, 2081123), (11, 1702737), (17, 1101771), (31, 604197), (33, 567579), (51, 367257), (93, 201399), (99, 189193), (153, 122419), (187, 100161), (279, 67133), (341, 54927), (359, 52173), (527, 35541), (561, 33387), (1023, 18309), (1077, 17391), (1581, 11847), (1683, 11129), (3069, 6103), (3231, 5797), (3949, 4743)]