19159705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 24081408

約数和(自身を除く): 4921703

約数列:

[1, 5, 31, 71, 155, 355, 1741, 2201, 8705, 11005, 53971, 123611, 269855, 618055, 3831941, 19159705]

約数ペア:

[(1, 19159705), (5, 3831941), (31, 618055), (71, 269855), (155, 123611), (355, 53971), (1741, 11005), (2201, 8705)]