18356888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11015

約数の個数: 32

約数和(自身を含む): 39528000

約数和(自身を除く): 21171112

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 10979, 21958, 43916, 87832, 120769, 208601, 241538, 417202, 483076, 834404, 966152, 1668808, 2294611, 4589222, 9178444, 18356888]

約数ペア:

[(1, 18356888), (2, 9178444), (4, 4589222), (8, 2294611), (11, 1668808), (19, 966152), (22, 834404), (38, 483076), (44, 417202), (76, 241538), (88, 208601), (152, 120769), (209, 87832), (418, 43916), (836, 21958), (1672, 10979)]