18451945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4584

約数の個数: 16

約数和(自身を含む): 23855040

約数和(自身を除く): 5403095

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4517, 22585, 85823, 194231, 429115, 971155, 3690389, 18451945]

約数ペア:

[(1, 18451945), (5, 3690389), (19, 971155), (43, 429115), (95, 194231), (215, 85823), (817, 22585), (4085, 4517)]