17969958

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 41817600

約数和(自身を除く): 23847642

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 86, 109, 129, 142, 213, 218, 258, 327, 387, 426, 639, 654, 774, 981, 1161, 1278, 1917, 1962, 2322, 2943, 3053, 3834, 4687, 5886, 6106, 7739, 9159, 9374, 14061, 15478, 18318, 23217, 27477, 28122, 42183, 46434, 54954, 69651, 82431, 84366, 126549, 139302, 164862, 208953, 253098, 332777, 417906, 665554, 998331, 1996662, 2994993, 5989986, 8984979, 17969958]

約数ペア:

[(1, 17969958), (2, 8984979), (3, 5989986), (6, 2994993), (9, 1996662), (18, 998331), (27, 665554), (43, 417906), (54, 332777), (71, 253098), (86, 208953), (109, 164862), (129, 139302), (142, 126549), (213, 84366), (218, 82431), (258, 69651), (327, 54954), (387, 46434), (426, 42183), (639, 28122), (654, 27477), (774, 23217), (981, 18318), (1161, 15478), (1278, 14061), (1917, 9374), (1962, 9159), (2322, 7739), (2943, 6106), (3053, 5886), (3834, 4687)]