18490496

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7603}}^1$

素因数の和:7636

約数の個数: 32

約数和(自身を含む): 38780400

約数和(自身を除く): 20289904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7603, 15206, 30412, 60824, 121648, 144457, 243296, 288914, 486592, 577828, 973184, 1155656, 2311312, 4622624, 9245248, 18490496]

約数ペア:

[(1, 18490496), (2, 9245248), (4, 4622624), (8, 2311312), (16, 1155656), (19, 973184), (32, 577828), (38, 486592), (64, 288914), (76, 243296), (128, 144457), (152, 121648), (304, 60824), (608, 30412), (1216, 15206), (2432, 7603)]