19639113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4889}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 28479360

約数和(自身を除く): 8840247

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 4889, 14667, 63557, 190671, 503567, 1510701, 6546371, 19639113]

約数ペア:

[(1, 19639113), (3, 6546371), (13, 1510701), (39, 503567), (103, 190671), (309, 63557), (1339, 14667), (4017, 4889)]