19795640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21517}}^1$

素因数の和:21551

約数の個数: 32

約数和(自身を含む): 46478880

約数和(自身を除く): 26683240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21517, 43034, 86068, 107585, 172136, 215170, 430340, 494891, 860680, 989782, 1979564, 2474455, 3959128, 4948910, 9897820, 19795640]

約数ペア:

[(1, 19795640), (2, 9897820), (4, 4948910), (5, 3959128), (8, 2474455), (10, 1979564), (20, 989782), (23, 860680), (40, 494891), (46, 430340), (92, 215170), (115, 172136), (184, 107585), (230, 86068), (460, 43034), (920, 21517)]