19052991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 29419520

約数和(自身を除く): 10366529

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1663, 3819, 4989, 11457, 14967, 31597, 94791, 111421, 284373, 334263, 1002789, 2116999, 6350997, 19052991]

約数ペア:

[(1, 19052991), (3, 6350997), (9, 2116999), (19, 1002789), (57, 334263), (67, 284373), (171, 111421), (201, 94791), (603, 31597), (1273, 14967), (1663, 11457), (3819, 4989)]