19791331

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2221}}^1$

素因数の和:2314

約数の個数: 16

約数和(自身を含む): 24175360

約数和(自身を除く): 4384029

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2221, 8911, 15547, 42199, 148807, 295393, 1041649, 2827333, 19791331]

約数ペア:

[(1, 19791331), (7, 2827333), (19, 1041649), (67, 295393), (133, 148807), (469, 42199), (1273, 15547), (2221, 8911)]