19148860

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3533}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 40372416

約数和(自身を除く): 21223556

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3533, 5420, 7066, 14132, 17665, 35330, 70660, 957443, 1914886, 3829772, 4787215, 9574430, 19148860]

約数ペア:

[(1, 19148860), (2, 9574430), (4, 4787215), (5, 3829772), (10, 1914886), (20, 957443), (271, 70660), (542, 35330), (1084, 17665), (1355, 14132), (2710, 7066), (3533, 5420)]