19951295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3373}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 29637216

約数和(自身を除く): 9685921

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3373, 5915, 16865, 23611, 43849, 118055, 219245, 306943, 570037, 1534715, 2850185, 3990259, 19951295]

約数ペア:

[(1, 19951295), (5, 3990259), (7, 2850185), (13, 1534715), (35, 570037), (65, 306943), (91, 219245), (169, 118055), (455, 43849), (845, 23611), (1183, 16865), (3373, 5915)]