19219265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17393}}^1$

素因数の和:17428

約数の個数: 16

約数和(自身を含む): 26299728

約数和(自身を除く): 7080463

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17393, 86965, 226109, 295681, 1130545, 1478405, 3843853, 19219265]

約数ペア:

[(1, 19219265), (5, 3843853), (13, 1478405), (17, 1130545), (65, 295681), (85, 226109), (221, 86965), (1105, 17393)]