19887846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{301331}}^1$

素因数の和:301347

約数の個数: 16

約数和(自身を含む): 43391808

約数和(自身を除く): 23503962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 301331, 602662, 903993, 1807986, 3314641, 6629282, 9943923, 19887846]

約数ペア:

[(1, 19887846), (2, 9943923), (3, 6629282), (6, 3314641), (11, 1807986), (22, 903993), (33, 602662), (66, 301331)]