19213955

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1097}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 24033024

約数和(自身を除く): 4819069

約数列:

[1, 5, 31, 113, 155, 565, 1097, 3503, 5485, 17515, 34007, 123961, 170035, 619805, 3842791, 19213955]

約数ペア:

[(1, 19213955), (5, 3842791), (31, 619805), (113, 170035), (155, 123961), (565, 34007), (1097, 17515), (3503, 5485)]