19842635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 24718080

約数和(自身を除く): 4875445

約数列:

[1, 5, 31, 155, 313, 409, 1565, 2045, 9703, 12679, 48515, 63395, 128017, 640085, 3968527, 19842635]

約数ペア:

[(1, 19842635), (5, 3968527), (31, 640085), (155, 128017), (313, 63395), (409, 48515), (1565, 12679), (2045, 9703)]