19817964

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2609}}^1$

素因数の和:2830

約数の個数: 36

約数和(自身を含む): 50352120

約数和(自身を除く): 30534156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2609, 3798, 5218, 7596, 7827, 10436, 15654, 23481, 31308, 46962, 93924, 550499, 1100998, 1651497, 2201996, 3302994, 4954491, 6605988, 9908982, 19817964]

約数ペア:

[(1, 19817964), (2, 9908982), (3, 6605988), (4, 4954491), (6, 3302994), (9, 2201996), (12, 1651497), (18, 1100998), (36, 550499), (211, 93924), (422, 46962), (633, 31308), (844, 23481), (1266, 15654), (1899, 10436), (2532, 7827), (2609, 7596), (3798, 5218)]