17872190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 19107010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1283, 1393, 1990, 2566, 2786, 6415, 6965, 8981, 12830, 13930, 17962, 44905, 89810, 255317, 510634, 1276585, 1787219, 2553170, 3574438, 8936095, 17872190]

約数ペア:

[(1, 17872190), (2, 8936095), (5, 3574438), (7, 2553170), (10, 1787219), (14, 1276585), (35, 510634), (70, 255317), (199, 89810), (398, 44905), (995, 17962), (1283, 13930), (1393, 12830), (1990, 8981), (2566, 6965), (2786, 6415)]