19739991

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 26763264

約数和(自身を除く): 7023273

約数列:

[1, 3, 127, 197, 263, 381, 591, 789, 25019, 33401, 51811, 75057, 100203, 155433, 6579997, 19739991]

約数ペア:

[(1, 19739991), (3, 6579997), (127, 155433), (197, 100203), (263, 75057), (381, 51811), (591, 33401), (789, 25019)]