19806826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 33541200

約数和(自身を除く): 13734374

約数列:

[1, 2, 13, 26, 29, 58, 109, 218, 241, 377, 482, 754, 1417, 2834, 3133, 3161, 6266, 6322, 6989, 13978, 26269, 41093, 52538, 82186, 90857, 181714, 341497, 682994, 761801, 1523602, 9903413, 19806826]

約数ペア:

[(1, 19806826), (2, 9903413), (13, 1523602), (26, 761801), (29, 682994), (58, 341497), (109, 181714), (218, 90857), (241, 82186), (377, 52538), (482, 41093), (754, 26269), (1417, 13978), (2834, 6989), (3133, 6322), (3161, 6266)]