19019923

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{967}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 2934317

約数列:

[1, 13, 17, 89, 221, 967, 1157, 1513, 12571, 16439, 19669, 86063, 213707, 1118819, 1463071, 19019923]

約数ペア:

[(1, 19019923), (13, 1463071), (17, 1118819), (89, 213707), (221, 86063), (967, 19669), (1157, 16439), (1513, 12571)]