19006981413

素因数分解:

$3^1\times 7^1\times {\mathrm{2971}}^1\times {\mathrm{304643}}^1$

素因数の和:307624

約数の個数: 16

約数和(自身を含む): 28972862976

約数和(自身を除く): 9965881563

約数列:

[1, 3, 7, 21, 2971, 8913, 20797, 62391, 304643, 913929, 2132501, 6397503, 905094353, 2715283059, 6335660471, 19006981413]

約数ペア:

[(1, 19006981413), (3, 6335660471), (7, 2715283059), (21, 905094353), (2971, 6397503), (8913, 2132501), (20797, 913929), (62391, 304643)]