18988854

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{20959}}^1$

素因数の和:21115

約数の個数: 16

約数和(自身を含む): 38231040

約数和(自身を除く): 19242186

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 20959, 41918, 62877, 125754, 3164809, 6329618, 9494427, 18988854]

約数ペア:

[(1, 18988854), (2, 9494427), (3, 6329618), (6, 3164809), (151, 125754), (302, 62877), (453, 41918), (906, 20959)]