19655307

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3089}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 32778720

約数和(自身を除く): 13123413

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 3089, 6363, 9267, 21623, 27801, 64869, 194607, 311989, 935967, 2183923, 2807901, 6551769, 19655307]

約数ペア:

[(1, 19655307), (3, 6551769), (7, 2807901), (9, 2183923), (21, 935967), (63, 311989), (101, 194607), (303, 64869), (707, 27801), (909, 21623), (2121, 9267), (3089, 6363)]