19686296

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 22649704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 839, 1676, 1678, 2933, 3352, 3356, 5866, 5873, 6712, 11732, 11746, 23464, 23492, 46984, 351541, 703082, 1406164, 2460787, 2812328, 4921574, 9843148, 19686296]

約数ペア:

[(1, 19686296), (2, 9843148), (4, 4921574), (7, 2812328), (8, 2460787), (14, 1406164), (28, 703082), (56, 351541), (419, 46984), (838, 23492), (839, 23464), (1676, 11746), (1678, 11732), (2933, 6712), (3352, 5873), (3356, 5866)]