19891935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63149}}^1$

素因数の和:63167

約数の個数: 24

約数和(自身を含む): 39405600

約数和(自身を除く): 19513665

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63149, 189447, 315745, 442043, 568341, 947235, 1326129, 2210215, 2841705, 3978387, 6630645, 19891935]

約数ペア:

[(1, 19891935), (3, 6630645), (5, 3978387), (7, 2841705), (9, 2210215), (15, 1326129), (21, 947235), (35, 568341), (45, 442043), (63, 315745), (105, 189447), (315, 63149)]