19425259

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 3557141

約数列:

[1, 7, 37, 179, 259, 419, 1253, 2933, 6623, 15503, 46361, 75001, 108521, 525007, 2775037, 19425259]

約数ペア:

[(1, 19425259), (7, 2775037), (37, 525007), (179, 108521), (259, 75001), (419, 46361), (1253, 15503), (2933, 6623)]