19894658901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3923}}^1\times {\mathrm{7649}}^1$

素因数の和:11605

約数の個数: 32

約数和(自身を含む): 30258748800

約数和(自身を除く): 10364089899

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 3923, 7649, 11769, 22947, 50999, 66691, 99437, 130033, 152997, 200073, 298311, 390099, 866983, 1690429, 2600949, 5071287, 30007027, 90021081, 390091351, 510119459, 1170274053, 1530358377, 6631552967, 19894658901]

約数ペア:

[(1, 19894658901), (3, 6631552967), (13, 1530358377), (17, 1170274053), (39, 510119459), (51, 390091351), (221, 90021081), (663, 30007027), (3923, 5071287), (7649, 2600949), (11769, 1690429), (22947, 866983), (50999, 390099), (66691, 298311), (99437, 200073), (130033, 152997)]