18984495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74449}}^1$

素因数の和:74474

約数の個数: 16

約数和(自身を含む): 32162400

約数和(自身を除く): 13177905

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 74449, 223347, 372245, 1116735, 1265633, 3796899, 6328165, 18984495]

約数ペア:

[(1, 18984495), (3, 6328165), (5, 3796899), (15, 1265633), (17, 1116735), (51, 372245), (85, 223347), (255, 74449)]