19303263

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{883}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 31993728

約数和(自身を除く): 12690465

約数列:

[1, 3, 7, 9, 21, 63, 347, 883, 1041, 2429, 2649, 3123, 6181, 7287, 7947, 18543, 21861, 55629, 306401, 919203, 2144807, 2757609, 6434421, 19303263]

約数ペア:

[(1, 19303263), (3, 6434421), (7, 2757609), (9, 2144807), (21, 919203), (63, 306401), (347, 55629), (883, 21861), (1041, 18543), (2429, 7947), (2649, 7287), (3123, 6181)]