19702488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63149}}^1$

素因数の和:63171

約数の個数: 32

約数和(自身を含む): 53046000

約数和(自身を除く): 33343512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63149, 126298, 189447, 252596, 378894, 505192, 757788, 820937, 1515576, 1641874, 2462811, 3283748, 4925622, 6567496, 9851244, 19702488]

約数ペア:

[(1, 19702488), (2, 9851244), (3, 6567496), (4, 4925622), (6, 3283748), (8, 2462811), (12, 1641874), (13, 1515576), (24, 820937), (26, 757788), (39, 505192), (52, 378894), (78, 252596), (104, 189447), (156, 126298), (312, 63149)]