18401530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 38073600

約数和(自身を除く): 19672070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1321, 1393, 1990, 2642, 2786, 6605, 6965, 9247, 13210, 13930, 18494, 46235, 92470, 262879, 525758, 1314395, 1840153, 2628790, 3680306, 9200765, 18401530]

約数ペア:

[(1, 18401530), (2, 9200765), (5, 3680306), (7, 2628790), (10, 1840153), (14, 1314395), (35, 525758), (70, 262879), (199, 92470), (398, 46235), (995, 18494), (1321, 13930), (1393, 13210), (1990, 9247), (2642, 6965), (2786, 6605)]