19509912

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8741}}^1$

素因数の和:8784

約数の個数: 48

約数和(自身を含む): 54550080

約数和(自身を除く): 35040168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8741, 17482, 26223, 34964, 52446, 69928, 78669, 104892, 157338, 209784, 270971, 314676, 541942, 629352, 812913, 1083884, 1625826, 2167768, 2438739, 3251652, 4877478, 6503304, 9754956, 19509912]

約数ペア:

[(1, 19509912), (2, 9754956), (3, 6503304), (4, 4877478), (6, 3251652), (8, 2438739), (9, 2167768), (12, 1625826), (18, 1083884), (24, 812913), (31, 629352), (36, 541942), (62, 314676), (72, 270971), (93, 209784), (124, 157338), (186, 104892), (248, 78669), (279, 69928), (372, 52446), (558, 34964), (744, 26223), (1116, 17482), (2232, 8741)]