19742908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 36005760

約数和(自身を除く): 16262852

約数列:

[1, 2, 4, 31, 62, 113, 124, 226, 452, 1409, 2818, 3503, 5636, 7006, 14012, 43679, 87358, 159217, 174716, 318434, 636868, 4935727, 9871454, 19742908]

約数ペア:

[(1, 19742908), (2, 9871454), (4, 4935727), (31, 636868), (62, 318434), (113, 174716), (124, 159217), (226, 87358), (452, 43679), (1409, 14012), (2818, 7006), (3503, 5636)]