19889610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3923}}^1$

素因数の和:3959

約数の個数: 48

約数和(自身を含む): 51702624

約数和(自身を除く): 31813014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 3923, 5070, 7846, 11769, 19615, 23538, 39230, 50999, 58845, 101998, 117690, 152997, 254995, 305994, 509990, 662987, 764985, 1325974, 1529970, 1988961, 3314935, 3977922, 6629870, 9944805, 19889610]

約数ペア:

[(1, 19889610), (2, 9944805), (3, 6629870), (5, 3977922), (6, 3314935), (10, 1988961), (13, 1529970), (15, 1325974), (26, 764985), (30, 662987), (39, 509990), (65, 305994), (78, 254995), (130, 152997), (169, 117690), (195, 101998), (338, 58845), (390, 50999), (507, 39230), (845, 23538), (1014, 19615), (1690, 11769), (2535, 7846), (3923, 5070)]