20191623

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7537}}^1$

素因数の和:7606

約数の個数: 16

約数和(自身を含む): 28945920

約数和(自身を除く): 8754297

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7537, 22611, 143203, 354239, 429609, 1062717, 6730541, 20191623]

約数ペア:

[(1, 20191623), (3, 6730541), (19, 1062717), (47, 429609), (57, 354239), (141, 143203), (893, 22611), (2679, 7537)]