12909334540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1998349}}^1$

素因数の和:1998394

約数の個数: 48

約数和(自身を含む): 30215052000

約数和(自身を除く): 17305717460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 1998349, 3996698, 7993396, 9991745, 19983490, 33971933, 37968631, 39966980, 67943866, 75937262, 135887732, 151874524, 169859665, 189843155, 339719330, 379686310, 645466727, 679438660, 759372620, 1290933454, 2581866908, 3227333635, 6454667270, 12909334540]

約数ペア:

[(1, 12909334540), (2, 6454667270), (4, 3227333635), (5, 2581866908), (10, 1290933454), (17, 759372620), (19, 679438660), (20, 645466727), (34, 379686310), (38, 339719330), (68, 189843155), (76, 169859665), (85, 151874524), (95, 135887732), (170, 75937262), (190, 67943866), (323, 39966980), (340, 37968631), (380, 33971933), (646, 19983490), (1292, 9991745), (1615, 7993396), (3230, 3996698), (6460, 1998349)]