2191726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 16

約数和(自身を含む): 3494160

約数和(自身を除く): 1302434

約数列:

[1, 2, 19, 38, 137, 274, 421, 842, 2603, 5206, 7999, 15998, 57677, 115354, 1095863, 2191726]

約数ペア:

[(1, 2191726), (2, 1095863), (19, 115354), (38, 57677), (137, 15998), (274, 7999), (421, 5206), (842, 2603)]