19916299

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 22867488

約数和(自身を除く): 2951189

約数列:

[1, 13, 17, 221, 227, 397, 2951, 3859, 5161, 6749, 50167, 87737, 90119, 1171547, 1532023, 19916299]

約数ペア:

[(1, 19916299), (13, 1532023), (17, 1171547), (221, 90119), (227, 87737), (397, 50167), (2951, 6749), (3859, 5161)]