18172304

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8171}}^1$

素因数の和:8318

約数の個数: 20

約数和(自身を含む): 35466480

約数和(自身を除く): 17294176

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8171, 16342, 32684, 65368, 130736, 1135769, 2271538, 4543076, 9086152, 18172304]

約数ペア:

[(1, 18172304), (2, 9086152), (4, 4543076), (8, 2271538), (16, 1135769), (139, 130736), (278, 65368), (556, 32684), (1112, 16342), (2224, 8171)]