2189902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 4216320

約数和(自身を除く): 2026418

約数列:

[1, 2, 11, 13, 19, 22, 26, 31, 38, 62, 143, 169, 209, 247, 286, 338, 341, 403, 418, 494, 589, 682, 806, 1178, 1859, 2717, 3211, 3718, 4433, 5239, 5434, 6422, 6479, 7657, 8866, 10478, 12958, 15314, 35321, 57629, 70642, 84227, 99541, 115258, 168454, 199082, 1094951, 2189902]

約数ペア:

[(1, 2189902), (2, 1094951), (11, 199082), (13, 168454), (19, 115258), (22, 99541), (26, 84227), (31, 70642), (38, 57629), (62, 35321), (143, 15314), (169, 12958), (209, 10478), (247, 8866), (286, 7657), (338, 6479), (341, 6422), (403, 5434), (418, 5239), (494, 4433), (589, 3718), (682, 3211), (806, 2717), (1178, 1859)]