19722573

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 31001880

約数和(自身を除く): 11279307

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 1669, 3939, 5007, 11817, 15021, 21697, 65091, 168569, 195273, 505707, 1517121, 2191397, 6574191, 19722573]

約数ペア:

[(1, 19722573), (3, 6574191), (9, 2191397), (13, 1517121), (39, 505707), (101, 195273), (117, 168569), (303, 65091), (909, 21697), (1313, 15021), (1669, 11817), (3939, 5007)]