19909688

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 39452160

約数和(自身を除く): 19542472

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 1867, 2666, 3734, 5332, 7468, 10664, 14936, 57877, 80281, 115754, 160562, 231508, 321124, 463016, 642248, 2488711, 4977422, 9954844, 19909688]

約数ペア:

[(1, 19909688), (2, 9954844), (4, 4977422), (8, 2488711), (31, 642248), (43, 463016), (62, 321124), (86, 231508), (124, 160562), (172, 115754), (248, 80281), (344, 57877), (1333, 14936), (1867, 10664), (2666, 7468), (3734, 5332)]