19281430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{275449}}^1$

素因数の和:275463

約数の個数: 16

約数和(自身を含む): 39664800

約数和(自身を除く): 20383370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 275449, 550898, 1377245, 1928143, 2754490, 3856286, 9640715, 19281430]

約数ペア:

[(1, 19281430), (2, 9640715), (5, 3856286), (7, 2754490), (10, 1928143), (14, 1377245), (35, 550898), (70, 275449)]