2019901245

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{163621}}^1$

素因数の和:164452

約数の個数: 16

約数和(自身を含む): 3235788672

約数和(自身を除く): 1215887427

約数列:

[1, 3, 5, 15, 823, 2469, 4115, 12345, 163621, 490863, 818105, 2454315, 134660083, 403980249, 673300415, 2019901245]

約数ペア:

[(1, 2019901245), (3, 673300415), (5, 403980249), (15, 134660083), (823, 2454315), (2469, 818105), (4115, 490863), (12345, 163621)]