17954937

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 34839168

約数和(自身を除く): 16884231

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 1993, 3003, 5979, 9009, 13951, 17937, 21923, 25909, 41853, 65769, 77727, 125559, 153461, 181363, 197307, 233181, 284999, 460383, 544089, 854997, 1381149, 1632267, 1994993, 2564991, 5984979, 17954937]

約数ペア:

[(1, 17954937), (3, 5984979), (7, 2564991), (9, 1994993), (11, 1632267), (13, 1381149), (21, 854997), (33, 544089), (39, 460383), (63, 284999), (77, 233181), (91, 197307), (99, 181363), (117, 153461), (143, 125559), (231, 77727), (273, 65769), (429, 41853), (693, 25909), (819, 21923), (1001, 17937), (1287, 13951), (1993, 9009), (3003, 5979)]