2019125888

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28219}}^1$

素因数の和:28289

約数の個数: 64

約数和(自身を含む): 4432797600

約数和(自身を除く): 2413671712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 1664, 2236, 2752, 4472, 5504, 8944, 17888, 28219, 35776, 56438, 71552, 112876, 225752, 366847, 451504, 733694, 903008, 1213417, 1467388, 1806016, 2426834, 2934776, 3612032, 4853668, 5869552, 9707336, 11739104, 15774421, 19414672, 23478208, 31548842, 38829344, 46956416, 63097684, 77658688, 126195368, 155317376, 252390736, 504781472, 1009562944, 2019125888]

約数ペア:

[(1, 2019125888), (2, 1009562944), (4, 504781472), (8, 252390736), (13, 155317376), (16, 126195368), (26, 77658688), (32, 63097684), (43, 46956416), (52, 38829344), (64, 31548842), (86, 23478208), (104, 19414672), (128, 15774421), (172, 11739104), (208, 9707336), (344, 5869552), (416, 4853668), (559, 3612032), (688, 2934776), (832, 2426834), (1118, 1806016), (1376, 1467388), (1664, 1213417), (2236, 903008), (2752, 733694), (4472, 451504), (5504, 366847), (8944, 225752), (17888, 112876), (28219, 71552), (35776, 56438)]