19511294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12149}}^1$

素因数の和:12235

約数の個数: 16

約数和(自身を含む): 32367600

約数和(自身を除く): 12856306

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12149, 24298, 133639, 267278, 886877, 1773754, 9755647, 19511294]

約数ペア:

[(1, 19511294), (2, 9755647), (11, 1773754), (22, 886877), (73, 267278), (146, 133639), (803, 24298), (1606, 12149)]