19711857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 11423247

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 857, 1353, 2091, 2571, 7667, 9427, 14569, 23001, 28281, 35137, 43707, 105411, 160259, 386507, 480777, 597329, 1159521, 1791987, 6570619, 19711857]

約数ペア:

[(1, 19711857), (3, 6570619), (11, 1791987), (17, 1159521), (33, 597329), (41, 480777), (51, 386507), (123, 160259), (187, 105411), (451, 43707), (561, 35137), (697, 28281), (857, 23001), (1353, 14569), (2091, 9427), (2571, 7667)]