17955770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 19196230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1289, 1393, 1990, 2578, 2786, 6445, 6965, 9023, 12890, 13930, 18046, 45115, 90230, 256511, 513022, 1282555, 1795577, 2565110, 3591154, 8977885, 17955770]

約数ペア:

[(1, 17955770), (2, 8977885), (5, 3591154), (7, 2565110), (10, 1795577), (14, 1282555), (35, 513022), (70, 256511), (199, 90230), (398, 45115), (995, 18046), (1289, 13930), (1393, 12890), (1990, 9023), (2578, 6965), (2786, 6445)]