19875691

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 23212800

約数和(自身を除く): 3337109

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1559, 12749, 17149, 29621, 95099, 325831, 1046089, 1806881, 19875691]

約数ペア:

[(1, 19875691), (11, 1806881), (19, 1046089), (61, 325831), (209, 95099), (671, 29621), (1159, 17149), (1559, 12749)]