19926993

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5449}}^1$

素因数の和:5528

約数の個数: 16

約数和(自身を含む): 28252800

約数和(自身を除く): 8325807

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5449, 16347, 125327, 288797, 375981, 866391, 6642331, 19926993]

約数ペア:

[(1, 19926993), (3, 6642331), (23, 866391), (53, 375981), (69, 288797), (159, 125327), (1219, 16347), (3657, 5449)]