18740490047

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{206819}}^1$

素因数の和:206966

約数の個数: 16

約数和(自身を含む): 20119449600

約数和(自身を除く): 1378959553

約数列:

[1, 31, 37, 79, 1147, 2449, 2923, 90613, 206819, 6411389, 7652303, 16338701, 237221393, 506499731, 604531937, 18740490047]

約数ペア:

[(1, 18740490047), (31, 604531937), (37, 506499731), (79, 237221393), (1147, 16338701), (2449, 7652303), (2923, 6411389), (90613, 206819)]