19725888749

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 25749135360

約数和(自身を除く): 6023246611

約数列:

[1, 7, 17, 19, 71, 103, 119, 133, 323, 497, 721, 1193, 1207, 1349, 1751, 1957, 2261, 7313, 8351, 8449, 9443, 12257, 13699, 20281, 22667, 22933, 33269, 51191, 84703, 122879, 124321, 138947, 141967, 158669, 160531, 232883, 385339, 592921, 860153, 870247, 972629, 1439951, 1609357, 2088943, 2334701, 2362099, 2697373, 8724409, 10079657, 11265499, 14622601, 16342907, 16534693, 27359069, 39689917, 61070863, 148314953, 165763771, 191513483, 277829419, 1038204671, 1160346397, 2817984107, 19725888749]

約数ペア:

[(1, 19725888749), (7, 2817984107), (17, 1160346397), (19, 1038204671), (71, 277829419), (103, 191513483), (119, 165763771), (133, 148314953), (323, 61070863), (497, 39689917), (721, 27359069), (1193, 16534693), (1207, 16342907), (1349, 14622601), (1751, 11265499), (1957, 10079657), (2261, 8724409), (7313, 2697373), (8351, 2362099), (8449, 2334701), (9443, 2088943), (12257, 1609357), (13699, 1439951), (20281, 972629), (22667, 870247), (22933, 860153), (33269, 592921), (51191, 385339), (84703, 232883), (122879, 160531), (124321, 158669), (138947, 141967)]