19001817

素因数分解:

$3^3\times {\mathrm{601}}^1\times {\mathrm{1171}}^1$

素因数の和:1781

約数の個数: 16

約数和(自身を含む): 28221760

約数和(自身を除く): 9219943

約数列:

[1, 3, 9, 27, 601, 1171, 1803, 3513, 5409, 10539, 16227, 31617, 703771, 2111313, 6333939, 19001817]

約数ペア:

[(1, 19001817), (3, 6333939), (9, 2111313), (27, 703771), (601, 31617), (1171, 16227), (1803, 10539), (3513, 5409)]