2019380690

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{519121}}^1$

素因数の和:519517

約数の個数: 16

約数和(自身を含む): 3644236440

約数和(自身を除く): 1624855750

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 519121, 1038242, 2595605, 5191210, 201938069, 403876138, 1009690345, 2019380690]

約数ペア:

[(1, 2019380690), (2, 1009690345), (5, 403876138), (10, 201938069), (389, 5191210), (778, 2595605), (1945, 1038242), (3890, 519121)]