18696464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68737}}^1$

素因数の和:68762

約数の個数: 20

約数和(自身を含む): 38355804

約数和(自身を除く): 19659340

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68737, 137474, 274948, 549896, 1099792, 1168529, 2337058, 4674116, 9348232, 18696464]

約数ペア:

[(1, 18696464), (2, 9348232), (4, 4674116), (8, 2337058), (16, 1168529), (17, 1099792), (34, 549896), (68, 274948), (136, 137474), (272, 68737)]