18685879664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68698087}}^1$

素因数の和:68698112

約数の個数: 20

約数和(自身を含む): 38333533104

約数和(自身を除く): 19647653440

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68698087, 137396174, 274792348, 549584696, 1099169392, 1167867479, 2335734958, 4671469916, 9342939832, 18685879664]

約数ペア:

[(1, 18685879664), (2, 9342939832), (4, 4671469916), (8, 2335734958), (16, 1167867479), (17, 1099169392), (34, 549584696), (68, 274792348), (136, 137396174), (272, 68698087)]