18147493

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 23493120

約数和(自身を除く): 5345627

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 919, 1519, 2821, 6433, 11947, 19747, 28489, 45031, 83629, 199423, 370357, 585403, 1395961, 2592499, 18147493]

約数ペア:

[(1, 18147493), (7, 2592499), (13, 1395961), (31, 585403), (49, 370357), (91, 199423), (217, 83629), (403, 45031), (637, 28489), (919, 19747), (1519, 11947), (2821, 6433)]