19856716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12197}}^1$

素因数の和:12249

約数の個数: 24

約数和(自身を含む): 38936016

約数和(自身を除く): 19079300

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12197, 24394, 48788, 134167, 268334, 451289, 536668, 902578, 1805156, 4964179, 9928358, 19856716]

約数ペア:

[(1, 19856716), (2, 9928358), (4, 4964179), (11, 1805156), (22, 902578), (37, 536668), (44, 451289), (74, 268334), (148, 134167), (407, 48788), (814, 24394), (1628, 12197)]