19725513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 27672576

約数和(自身を除く): 7947063

約数列:

[1, 3, 23, 69, 127, 381, 2251, 2921, 6753, 8763, 51773, 155319, 285877, 857631, 6575171, 19725513]

約数ペア:

[(1, 19725513), (3, 6575171), (23, 857631), (69, 285877), (127, 155319), (381, 51773), (2251, 8763), (2921, 6753)]