2019439821

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{402359}}^1$

素因数の和:402608

約数の個数: 16

約数和(自身を含む): 3090124800

約数和(自身を除く): 1070684979

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 402359, 1207077, 2816513, 8449539, 96163801, 288491403, 673146607, 2019439821]

約数ペア:

[(1, 2019439821), (3, 673146607), (7, 288491403), (21, 96163801), (239, 8449539), (717, 2816513), (1673, 1207077), (5019, 402359)]