19783712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2545

約数の個数: 48

約数和(自身を含む): 44170560

約数和(自身を除く): 24386848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2503, 3952, 5006, 7904, 10012, 20024, 32539, 40048, 47557, 65078, 80096, 95114, 130156, 190228, 260312, 380456, 520624, 618241, 760912, 1041248, 1236482, 1521824, 2472964, 4945928, 9891856, 19783712]

約数ペア:

[(1, 19783712), (2, 9891856), (4, 4945928), (8, 2472964), (13, 1521824), (16, 1236482), (19, 1041248), (26, 760912), (32, 618241), (38, 520624), (52, 380456), (76, 260312), (104, 190228), (152, 130156), (208, 95114), (247, 80096), (304, 65078), (416, 47557), (494, 40048), (608, 32539), (988, 20024), (1976, 10012), (2503, 7904), (3952, 5006)]