18754138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 31589712

約数和(自身を除く): 12835574

約数列:

[1, 2, 13, 26, 41, 73, 82, 146, 241, 482, 533, 949, 1066, 1898, 2993, 3133, 5986, 6266, 9881, 17593, 19762, 35186, 38909, 77818, 128453, 228709, 256906, 457418, 721313, 1442626, 9377069, 18754138]

約数ペア:

[(1, 18754138), (2, 9377069), (13, 1442626), (26, 721313), (41, 457418), (73, 256906), (82, 228709), (146, 128453), (241, 77818), (482, 38909), (533, 35186), (949, 19762), (1066, 17593), (1898, 9881), (2993, 6266), (3133, 5986)]