18720248

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{8699}}^1$

素因数の和:8974

約数の個数: 16

約数和(自身を含む): 35235000

約数和(自身を除く): 16514752

約数列:

[1, 2, 4, 8, 269, 538, 1076, 2152, 8699, 17398, 34796, 69592, 2340031, 4680062, 9360124, 18720248]

約数ペア:

[(1, 18720248), (2, 9360124), (4, 4680062), (8, 2340031), (269, 69592), (538, 34796), (1076, 17398), (2152, 8699)]