15905812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 33445440

約数和(自身を除く): 17539628

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 947, 988, 1292, 1894, 3788, 4199, 8398, 12311, 16099, 16796, 17993, 24622, 32198, 35986, 49244, 64396, 71972, 209287, 233909, 305881, 418574, 467818, 611762, 837148, 935636, 1223524, 3976453, 7952906, 15905812]

約数ペア:

[(1, 15905812), (2, 7952906), (4, 3976453), (13, 1223524), (17, 935636), (19, 837148), (26, 611762), (34, 467818), (38, 418574), (52, 305881), (68, 233909), (76, 209287), (221, 71972), (247, 64396), (323, 49244), (442, 35986), (494, 32198), (646, 24622), (884, 17993), (947, 16796), (988, 16099), (1292, 12311), (1894, 8398), (3788, 4199)]