19383273

素因数分解:

$3^3\times 7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 80

約数和(自身を含む): 37645440

約数和(自身を除く): 18262167

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 49, 63, 69, 91, 117, 147, 161, 189, 207, 273, 299, 343, 351, 441, 483, 621, 637, 819, 897, 1029, 1127, 1323, 1449, 1911, 2093, 2401, 2457, 2691, 3087, 3381, 4347, 4459, 5733, 6279, 7203, 7889, 8073, 9261, 10143, 13377, 14651, 17199, 18837, 21609, 23667, 30429, 31213, 40131, 43953, 55223, 56511, 64827, 71001, 93639, 102557, 120393, 131859, 165669, 213003, 280917, 307671, 395577, 497007, 717899, 842751, 923013, 1491021, 2153697, 2769039, 6461091, 19383273]

約数ペア:

[(1, 19383273), (3, 6461091), (7, 2769039), (9, 2153697), (13, 1491021), (21, 923013), (23, 842751), (27, 717899), (39, 497007), (49, 395577), (63, 307671), (69, 280917), (91, 213003), (117, 165669), (147, 131859), (161, 120393), (189, 102557), (207, 93639), (273, 71001), (299, 64827), (343, 56511), (351, 55223), (441, 43953), (483, 40131), (621, 31213), (637, 30429), (819, 23667), (897, 21609), (1029, 18837), (1127, 17199), (1323, 14651), (1449, 13377), (1911, 10143), (2093, 9261), (2401, 8073), (2457, 7889), (2691, 7203), (3087, 6279), (3381, 5733), (4347, 4459)]