19890170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5087}}^1$

素因数の和:5134

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 19674118

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5087, 10174, 25435, 50870, 86479, 117001, 172958, 234002, 432395, 585005, 864790, 1170010, 1989017, 3978034, 9945085, 19890170]

約数ペア:

[(1, 19890170), (2, 9945085), (5, 3978034), (10, 1989017), (17, 1170010), (23, 864790), (34, 585005), (46, 432395), (85, 234002), (115, 172958), (170, 117001), (230, 86479), (391, 50870), (782, 25435), (1955, 10174), (3910, 5087)]