19005042

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 44651520

約数和(自身を除く): 25646478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 127, 147, 254, 294, 381, 509, 762, 889, 1018, 1527, 1778, 2667, 3054, 3563, 5334, 6223, 7126, 10689, 12446, 18669, 21378, 24941, 37338, 49882, 64643, 74823, 129286, 149646, 193929, 387858, 452501, 905002, 1357503, 2715006, 3167507, 6335014, 9502521, 19005042]

約数ペア:

[(1, 19005042), (2, 9502521), (3, 6335014), (6, 3167507), (7, 2715006), (14, 1357503), (21, 905002), (42, 452501), (49, 387858), (98, 193929), (127, 149646), (147, 129286), (254, 74823), (294, 64643), (381, 49882), (509, 37338), (762, 24941), (889, 21378), (1018, 18669), (1527, 12446), (1778, 10689), (2667, 7126), (3054, 6223), (3563, 5334)]