19928419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3019}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 24353280

約数和(自身を除く): 4424861

約数列:

[1, 7, 23, 41, 161, 287, 943, 3019, 6601, 21133, 69437, 123779, 486059, 866453, 2846917, 19928419]

約数ペア:

[(1, 19928419), (7, 2846917), (23, 866453), (41, 486059), (161, 123779), (287, 69437), (943, 21133), (3019, 6601)]