19678995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{62473}}^1$

素因数の和:62491

約数の個数: 24

約数和(自身を含む): 38983776

約数和(自身を除く): 19304781

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 62473, 187419, 312365, 437311, 562257, 937095, 1311933, 2186555, 2811285, 3935799, 6559665, 19678995]

約数ペア:

[(1, 19678995), (3, 6559665), (5, 3935799), (7, 2811285), (9, 2186555), (15, 1311933), (21, 937095), (35, 562257), (45, 437311), (63, 312365), (105, 187419), (315, 62473)]