19213863

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 26632800

約数和(自身を除く): 7418937

約数列:

[1, 3, 29, 87, 269, 807, 821, 2463, 7801, 23403, 23809, 71427, 220849, 662547, 6404621, 19213863]

約数ペア:

[(1, 19213863), (3, 6404621), (29, 662547), (87, 220849), (269, 71427), (807, 23809), (821, 23403), (2463, 7801)]