19983639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17669}}^1$

素因数の和:17714

約数の個数: 16

約数和(自身を含む): 29685600

約数和(自身を除く): 9701961

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17669, 53007, 229697, 512401, 689091, 1537203, 6661213, 19983639]

約数ペア:

[(1, 19983639), (3, 6661213), (13, 1537203), (29, 689091), (39, 512401), (87, 229697), (377, 53007), (1131, 17669)]