18020255344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{7673}}^1$

素因数の和:9314

約数の個数: 80

約数和(自身を含む): 43003622592

約数和(自身を除く): 24983367248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1613, 3226, 6452, 7673, 11291, 12904, 15346, 20969, 22582, 25808, 30692, 41938, 45164, 53711, 61384, 83876, 90328, 99749, 107422, 122768, 146783, 167752, 180656, 199498, 214844, 293566, 335504, 398996, 429688, 587132, 698243, 797992, 859376, 1174264, 1396486, 1595984, 2348528, 2792972, 5585944, 11171888, 12376549, 24753098, 49506196, 86635843, 99012392, 160895137, 173271686, 198024784, 321790274, 346543372, 643580548, 693086744, 1126265959, 1287161096, 1386173488, 2252531918, 2574322192, 4505063836, 9010127672, 18020255344]

約数ペア:

[(1, 18020255344), (2, 9010127672), (4, 4505063836), (7, 2574322192), (8, 2252531918), (13, 1386173488), (14, 1287161096), (16, 1126265959), (26, 693086744), (28, 643580548), (52, 346543372), (56, 321790274), (91, 198024784), (104, 173271686), (112, 160895137), (182, 99012392), (208, 86635843), (364, 49506196), (728, 24753098), (1456, 12376549), (1613, 11171888), (3226, 5585944), (6452, 2792972), (7673, 2348528), (11291, 1595984), (12904, 1396486), (15346, 1174264), (20969, 859376), (22582, 797992), (25808, 698243), (30692, 587132), (41938, 429688), (45164, 398996), (53711, 335504), (61384, 293566), (83876, 214844), (90328, 199498), (99749, 180656), (107422, 167752), (122768, 146783)]