18715696958

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70359763}}^1$

素因数の和:70359791

約数の個数: 16

約数和(自身を含む): 33772686720

約数和(自身を除く): 15056989762

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70359763, 140719526, 492518341, 985036682, 1336835497, 2673670994, 9357848479, 18715696958]

約数ペア:

[(1, 18715696958), (2, 9357848479), (7, 2673670994), (14, 1336835497), (19, 985036682), (38, 492518341), (133, 140719526), (266, 70359763)]