19706985

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3343}}^1$

素因数の和:3485

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 14722839

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3343, 5895, 10029, 16715, 30087, 50145, 150435, 437933, 1313799, 2189665, 3941397, 6568995, 19706985]

約数ペア:

[(1, 19706985), (3, 6568995), (5, 3941397), (9, 2189665), (15, 1313799), (45, 437933), (131, 150435), (393, 50145), (655, 30087), (1179, 16715), (1965, 10029), (3343, 5895)]