18784090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 36723456

約数和(自身を除く): 17939366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1103, 1310, 1703, 2206, 3406, 5515, 8515, 11030, 14339, 17030, 28678, 71695, 143390, 144493, 288986, 722465, 1444930, 1878409, 3756818, 9392045, 18784090]

約数ペア:

[(1, 18784090), (2, 9392045), (5, 3756818), (10, 1878409), (13, 1444930), (26, 722465), (65, 288986), (130, 144493), (131, 143390), (262, 71695), (655, 28678), (1103, 17030), (1310, 14339), (1703, 11030), (2206, 8515), (3406, 5515)]