19855065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77863}}^1$

素因数の和:77888

約数の個数: 16

約数和(自身を含む): 33637248

約数和(自身を除く): 13782183

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77863, 233589, 389315, 1167945, 1323671, 3971013, 6618355, 19855065]

約数ペア:

[(1, 19855065), (3, 6618355), (5, 3971013), (15, 1323671), (17, 1167945), (51, 389315), (85, 233589), (255, 77863)]