18790468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 34754720

約数和(自身を除く): 15964252

約数列:

[1, 2, 4, 19, 38, 76, 433, 571, 866, 1142, 1732, 2284, 8227, 10849, 16454, 21698, 32908, 43396, 247243, 494486, 988972, 4697617, 9395234, 18790468]

約数ペア:

[(1, 18790468), (2, 9395234), (4, 4697617), (19, 988972), (38, 494486), (76, 247243), (433, 43396), (571, 32908), (866, 21698), (1142, 16454), (1732, 10849), (2284, 8227)]