208759916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{18191}}^1$

素因数の和:18365

約数の個数: 24

約数和(自身を含む): 387125760

約数和(自身を除く): 178365844

約数列:

[1, 2, 4, 19, 38, 76, 151, 302, 604, 2869, 5738, 11476, 18191, 36382, 72764, 345629, 691258, 1382516, 2746841, 5493682, 10987364, 52189979, 104379958, 208759916]

約数ペア:

[(1, 208759916), (2, 104379958), (4, 52189979), (19, 10987364), (38, 5493682), (76, 2746841), (151, 1382516), (302, 691258), (604, 345629), (2869, 72764), (5738, 36382), (11476, 18191)]