19772241

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1223}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 8252463

約数列:

[1, 3, 17, 51, 317, 951, 1223, 3669, 5389, 16167, 20791, 62373, 387691, 1163073, 6590747, 19772241]

約数ペア:

[(1, 19772241), (3, 6590747), (17, 1163073), (51, 387691), (317, 62373), (951, 20791), (1223, 16167), (3669, 5389)]