18836680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27701}}^1$

素因数の和:27729

約数の個数: 32

約数和(自身を含む): 44877240

約数和(自身を除く): 26040560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27701, 55402, 110804, 138505, 221608, 277010, 470917, 554020, 941834, 1108040, 1883668, 2354585, 3767336, 4709170, 9418340, 18836680]

約数ペア:

[(1, 18836680), (2, 9418340), (4, 4709170), (5, 3767336), (8, 2354585), (10, 1883668), (17, 1108040), (20, 941834), (34, 554020), (40, 470917), (68, 277010), (85, 221608), (136, 138505), (170, 110804), (340, 55402), (680, 27701)]