19688438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 17394442

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 173, 346, 739, 1211, 1478, 1903, 2422, 3806, 5173, 8129, 10346, 13321, 16258, 26642, 56903, 113806, 127847, 255694, 894929, 1406317, 1789858, 2812634, 9844219, 19688438]

約数ペア:

[(1, 19688438), (2, 9844219), (7, 2812634), (11, 1789858), (14, 1406317), (22, 894929), (77, 255694), (154, 127847), (173, 113806), (346, 56903), (739, 26642), (1211, 16258), (1478, 13321), (1903, 10346), (2422, 8129), (3806, 5173)]