19993064

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 47779200

約数和(自身を除く): 27786136

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 947, 1508, 1624, 1894, 2639, 3016, 3788, 5278, 6629, 7576, 10556, 12311, 13258, 21112, 24622, 26516, 27463, 49244, 53032, 54926, 86177, 98488, 109852, 172354, 192241, 219704, 344708, 357019, 384482, 689416, 714038, 768964, 1428076, 1537928, 2499133, 2856152, 4998266, 9996532, 19993064]

約数ペア:

[(1, 19993064), (2, 9996532), (4, 4998266), (7, 2856152), (8, 2499133), (13, 1537928), (14, 1428076), (26, 768964), (28, 714038), (29, 689416), (52, 384482), (56, 357019), (58, 344708), (91, 219704), (104, 192241), (116, 172354), (182, 109852), (203, 98488), (232, 86177), (364, 54926), (377, 53032), (406, 49244), (728, 27463), (754, 26516), (812, 24622), (947, 21112), (1508, 13258), (1624, 12311), (1894, 10556), (2639, 7576), (3016, 6629), (3788, 5278)]