18378908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 33546240

約数和(自身を除く): 15167332

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 1439, 2878, 3193, 5756, 6386, 12772, 44609, 89218, 148217, 178436, 296434, 592868, 4594727, 9189454, 18378908]

約数ペア:

[(1, 18378908), (2, 9189454), (4, 4594727), (31, 592868), (62, 296434), (103, 178436), (124, 148217), (206, 89218), (412, 44609), (1439, 12772), (2878, 6386), (3193, 5756)]