19812782001

素因数分解:

$3^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1\times {\mathrm{67343}}^1$

素因数の和:67976

約数の個数: 16

約数和(自身を含む): 26587411200

約数和(自身を除く): 6774629199

約数列:

[1, 3, 281, 349, 843, 1047, 67343, 98069, 202029, 294207, 18923383, 23502707, 56770149, 70508121, 6604260667, 19812782001]

約数ペア:

[(1, 19812782001), (3, 6604260667), (281, 70508121), (349, 56770149), (843, 23502707), (1047, 18923383), (67343, 294207), (98069, 202029)]