19005354884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{15307}}^1$

素因数の和:15409

約数の個数: 72

約数和(自身を含む): 38306126880

約数和(自身を除く): 19300771996

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 527, 589, 646, 961, 1054, 1178, 1292, 1922, 2108, 2356, 3844, 10013, 15307, 16337, 18259, 20026, 30614, 32674, 36518, 40052, 61228, 65348, 73036, 260219, 290833, 310403, 474517, 520438, 581666, 620806, 949034, 1040876, 1163332, 1241612, 1898068, 4944161, 8066789, 9015823, 9888322, 14710027, 16133578, 18031646, 19776644, 29420054, 32267156, 36063292, 58840108, 153268991, 250070459, 279490513, 306537982, 500140918, 558981026, 613075964, 1000281836, 1117962052, 4751338721, 9502677442, 19005354884]

約数ペア:

[(1, 19005354884), (2, 9502677442), (4, 4751338721), (17, 1117962052), (19, 1000281836), (31, 613075964), (34, 558981026), (38, 500140918), (62, 306537982), (68, 279490513), (76, 250070459), (124, 153268991), (323, 58840108), (527, 36063292), (589, 32267156), (646, 29420054), (961, 19776644), (1054, 18031646), (1178, 16133578), (1292, 14710027), (1922, 9888322), (2108, 9015823), (2356, 8066789), (3844, 4944161), (10013, 1898068), (15307, 1241612), (16337, 1163332), (18259, 1040876), (20026, 949034), (30614, 620806), (32674, 581666), (36518, 520438), (40052, 474517), (61228, 310403), (65348, 290833), (73036, 260219)]