19782123

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 27350016

約数和(自身を除く): 7567893

約数列:

[1, 3, 31, 93, 347, 613, 1041, 1839, 10757, 19003, 32271, 57009, 212711, 638133, 6594041, 19782123]

約数ペア:

[(1, 19782123), (3, 6594041), (31, 638133), (93, 212711), (347, 57009), (613, 32271), (1041, 19003), (1839, 10757)]