18691431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{7759}}^1$

素因数の和:7846

約数の個数: 16

約数和(自身を含む): 27563520

約数和(自身を除く): 8872089

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 7759, 23277, 85349, 256047, 566407, 1699221, 6230477, 18691431]

約数ペア:

[(1, 18691431), (3, 6230477), (11, 1699221), (33, 566407), (73, 256047), (219, 85349), (803, 23277), (2409, 7759)]