19872666

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{601}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 27458982

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 167, 198, 334, 501, 601, 1002, 1202, 1503, 1803, 1837, 3006, 3606, 3674, 5409, 5511, 6611, 10818, 11022, 13222, 16533, 19833, 33066, 39666, 59499, 100367, 118998, 200734, 301101, 602202, 903303, 1104037, 1806606, 2208074, 3312111, 6624222, 9936333, 19872666]

約数ペア:

[(1, 19872666), (2, 9936333), (3, 6624222), (6, 3312111), (9, 2208074), (11, 1806606), (18, 1104037), (22, 903303), (33, 602202), (66, 301101), (99, 200734), (167, 118998), (198, 100367), (334, 59499), (501, 39666), (601, 33066), (1002, 19833), (1202, 16533), (1503, 13222), (1803, 11022), (1837, 10818), (3006, 6611), (3606, 5511), (3674, 5409)]