17839720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19391}}^1$

素因数の和:19425

約数の個数: 32

約数和(自身を含む): 41886720

約数和(自身を除く): 24047000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19391, 38782, 77564, 96955, 155128, 193910, 387820, 445993, 775640, 891986, 1783972, 2229965, 3567944, 4459930, 8919860, 17839720]

約数ペア:

[(1, 17839720), (2, 8919860), (4, 4459930), (5, 3567944), (8, 2229965), (10, 1783972), (20, 891986), (23, 775640), (40, 445993), (46, 387820), (92, 193910), (115, 155128), (184, 96955), (230, 77564), (460, 38782), (920, 19391)]