19258552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 41796000

約数和(自身を除く): 22537448

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 257, 323, 493, 514, 551, 646, 986, 1028, 1102, 1292, 1972, 2056, 2204, 2584, 3944, 4369, 4408, 4883, 7453, 8738, 9367, 9766, 14906, 17476, 18734, 19532, 29812, 34952, 37468, 39064, 59624, 74936, 83011, 126701, 141607, 166022, 253402, 283214, 332044, 506804, 566428, 664088, 1013608, 1132856, 2407319, 4814638, 9629276, 19258552]

約数ペア:

[(1, 19258552), (2, 9629276), (4, 4814638), (8, 2407319), (17, 1132856), (19, 1013608), (29, 664088), (34, 566428), (38, 506804), (58, 332044), (68, 283214), (76, 253402), (116, 166022), (136, 141607), (152, 126701), (232, 83011), (257, 74936), (323, 59624), (493, 39064), (514, 37468), (551, 34952), (646, 29812), (986, 19532), (1028, 18734), (1102, 17476), (1292, 14906), (1972, 9766), (2056, 9367), (2204, 8738), (2584, 7453), (3944, 4883), (4369, 4408)]