18802928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28663}}^1$

素因数の和:28712

約数の個数: 20

約数和(自身を含む): 37320528

約数和(自身を除く): 18517600

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28663, 57326, 114652, 229304, 458608, 1175183, 2350366, 4700732, 9401464, 18802928]

約数ペア:

[(1, 18802928), (2, 9401464), (4, 4700732), (8, 2350366), (16, 1175183), (41, 458608), (82, 229304), (164, 114652), (328, 57326), (656, 28663)]