19157567

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 23908080

約数和(自身を除く): 4750513

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 641, 1573, 2299, 2717, 7051, 8333, 12179, 29887, 77561, 91663, 133969, 158327, 1008293, 1473659, 1741597, 19157567]

約数ペア:

[(1, 19157567), (11, 1741597), (13, 1473659), (19, 1008293), (121, 158327), (143, 133969), (209, 91663), (247, 77561), (641, 29887), (1573, 12179), (2299, 8333), (2717, 7051)]