19762686

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 44748288

約数和(自身を除く): 24985602

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 107, 186, 214, 279, 321, 331, 558, 642, 662, 963, 993, 1926, 1986, 2979, 3317, 5958, 6634, 9951, 10261, 19902, 20522, 29853, 30783, 35417, 59706, 61566, 70834, 92349, 106251, 184698, 212502, 318753, 637506, 1097927, 2195854, 3293781, 6587562, 9881343, 19762686]

約数ペア:

[(1, 19762686), (2, 9881343), (3, 6587562), (6, 3293781), (9, 2195854), (18, 1097927), (31, 637506), (62, 318753), (93, 212502), (107, 184698), (186, 106251), (214, 92349), (279, 70834), (321, 61566), (331, 59706), (558, 35417), (642, 30783), (662, 29853), (963, 20522), (993, 19902), (1926, 10261), (1986, 9951), (2979, 6634), (3317, 5958)]