19979289

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6959}}^1$

素因数の和:7005

約数の個数: 24

約数和(自身を含む): 32572800

約数和(自身を除く): 12593511

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 6959, 20877, 62631, 76549, 201811, 229647, 605433, 688941, 1816299, 2219921, 6659763, 19979289]

約数ペア:

[(1, 19979289), (3, 6659763), (9, 2219921), (11, 1816299), (29, 688941), (33, 605433), (87, 229647), (99, 201811), (261, 76549), (319, 62631), (957, 20877), (2871, 6959)]