19910406

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{7559}}^1$

素因数の和:8003

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 20006394

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 7559, 15118, 22677, 45354, 3318401, 6636802, 9955203, 19910406]

約数ペア:

[(1, 19910406), (2, 9955203), (3, 6636802), (6, 3318401), (439, 45354), (878, 22677), (1317, 15118), (2634, 7559)]