18629008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68489}}^1$

素因数の和:68514

約数の個数: 20

約数和(自身を含む): 38217420

約数和(自身を除く): 19588412

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68489, 136978, 273956, 547912, 1095824, 1164313, 2328626, 4657252, 9314504, 18629008]

約数ペア:

[(1, 18629008), (2, 9314504), (4, 4657252), (8, 2328626), (16, 1164313), (17, 1095824), (34, 547912), (68, 273956), (136, 136978), (272, 68489)]