2019011449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{2689}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 2564495360

約数和(自身を除く): 545483911

約数列:

[1, 7, 13, 37, 91, 223, 259, 481, 1561, 2689, 2899, 3367, 8251, 18823, 20293, 34957, 57757, 99493, 107263, 244699, 599647, 696451, 750841, 1293409, 4197529, 7795411, 9053863, 22186939, 54567877, 155308573, 288430207, 2019011449]

約数ペア:

[(1, 2019011449), (7, 288430207), (13, 155308573), (37, 54567877), (91, 22186939), (223, 9053863), (259, 7795411), (481, 4197529), (1561, 1293409), (2689, 750841), (2899, 696451), (3367, 599647), (8251, 244699), (18823, 107263), (20293, 99493), (34957, 57757)]