19446921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10954359

約数列:

[1, 3, 9, 13, 39, 117, 347, 479, 1041, 1437, 3123, 4311, 4511, 6227, 13533, 18681, 40599, 56043, 166213, 498639, 1495917, 2160769, 6482307, 19446921]

約数ペア:

[(1, 19446921), (3, 6482307), (9, 2160769), (13, 1495917), (39, 498639), (117, 166213), (347, 56043), (479, 40599), (1041, 18681), (1437, 13533), (3123, 6227), (4311, 4511)]