19963958

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 35289408

約数和(自身を除く): 15325450

約数列:

[1, 2, 7, 14, 61, 97, 122, 194, 241, 427, 482, 679, 854, 1358, 1687, 3374, 5917, 11834, 14701, 23377, 29402, 41419, 46754, 82838, 102907, 163639, 205814, 327278, 1425997, 2851994, 9981979, 19963958]

約数ペア:

[(1, 19963958), (2, 9981979), (7, 2851994), (14, 1425997), (61, 327278), (97, 205814), (122, 163639), (194, 102907), (241, 82838), (427, 46754), (482, 41419), (679, 29402), (854, 23377), (1358, 14701), (1687, 11834), (3374, 5917)]