19753448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 25243672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 557, 572, 682, 806, 1114, 1144, 1364, 1612, 2228, 2728, 3224, 4433, 4456, 6127, 7241, 8866, 12254, 14482, 17267, 17732, 24508, 28964, 34534, 35464, 49016, 57928, 69068, 79651, 138136, 159302, 189937, 224471, 318604, 379874, 448942, 637208, 759748, 897884, 1519496, 1795768, 2469181, 4938362, 9876724, 19753448]

約数ペア:

[(1, 19753448), (2, 9876724), (4, 4938362), (8, 2469181), (11, 1795768), (13, 1519496), (22, 897884), (26, 759748), (31, 637208), (44, 448942), (52, 379874), (62, 318604), (88, 224471), (104, 189937), (124, 159302), (143, 138136), (248, 79651), (286, 69068), (341, 57928), (403, 49016), (557, 35464), (572, 34534), (682, 28964), (806, 24508), (1114, 17732), (1144, 17267), (1364, 14482), (1612, 12254), (2228, 8866), (2728, 7241), (3224, 6127), (4433, 4456)]