19423569

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 29850624

約数和(自身を除く): 10427055

約数列:

[1, 3, 11, 23, 33, 69, 157, 163, 253, 471, 489, 759, 1727, 1793, 3611, 3749, 5181, 5379, 10833, 11247, 25591, 39721, 41239, 76773, 119163, 123717, 281501, 588593, 844503, 1765779, 6474523, 19423569]

約数ペア:

[(1, 19423569), (3, 6474523), (11, 1765779), (23, 844503), (33, 588593), (69, 281501), (157, 123717), (163, 119163), (253, 76773), (471, 41239), (489, 39721), (759, 25591), (1727, 11247), (1793, 10833), (3611, 5379), (3749, 5181)]