19289237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 24105600

約数和(自身を除く): 4816363

約数列:

[1, 11, 17, 19, 61, 89, 187, 209, 323, 671, 979, 1037, 1159, 1513, 1691, 3553, 5429, 11407, 12749, 16643, 18601, 19703, 28747, 59719, 92293, 103151, 216733, 316217, 1015223, 1134661, 1753567, 19289237]

約数ペア:

[(1, 19289237), (11, 1753567), (17, 1134661), (19, 1015223), (61, 316217), (89, 216733), (187, 103151), (209, 92293), (323, 59719), (671, 28747), (979, 19703), (1037, 18601), (1159, 16643), (1513, 12749), (1691, 11407), (3553, 5429)]