18951921

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{11897}}^1$

素因数の和:11965

約数の個数: 16

約数和(自身を含む): 28555200

約数和(自身を除く): 9603279

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 11897, 35691, 107073, 321219, 701923, 2105769, 6317307, 18951921]

約数ペア:

[(1, 18951921), (3, 6317307), (9, 2105769), (27, 701923), (59, 321219), (177, 107073), (531, 35691), (1593, 11897)]