18916779

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{10853}}^1$

素因数の和:10946

約数の個数: 16

約数和(自身を含む): 29175552

約数和(自身を除く): 10258773

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 10853, 32559, 75971, 227913, 900799, 2702397, 6305593, 18916779]

約数ペア:

[(1, 18916779), (3, 6305593), (7, 2702397), (21, 900799), (83, 227913), (249, 75971), (581, 32559), (1743, 10853)]