19734491

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 23083008

約数和(自身を除く): 3348517

約数列:

[1, 7, 101, 103, 271, 707, 721, 1897, 10403, 27371, 27913, 72821, 191597, 195391, 2819213, 19734491]

約数ペア:

[(1, 19734491), (7, 2819213), (101, 195391), (103, 191597), (271, 72821), (707, 27913), (721, 27371), (1897, 10403)]