19755981

素因数分解:

$3^4\times 7^1\times {\mathrm{34843}}^1$

素因数の和:34862

約数の個数: 20

約数和(自身を含む): 33728992

約数和(自身を除く): 13973011

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34843, 104529, 243901, 313587, 731703, 940761, 2195109, 2822283, 6585327, 19755981]

約数ペア:

[(1, 19755981), (3, 6585327), (7, 2822283), (9, 2195109), (21, 940761), (27, 731703), (63, 313587), (81, 243901), (189, 104529), (567, 34843)]