19702065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77263}}^1$

素因数の和:77288

約数の個数: 16

約数和(自身を含む): 33378048

約数和(自身を除く): 13675983

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77263, 231789, 386315, 1158945, 1313471, 3940413, 6567355, 19702065]

約数ペア:

[(1, 19702065), (3, 6567355), (5, 3940413), (15, 1313471), (17, 1158945), (51, 386315), (85, 231789), (255, 77263)]