18925902

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23531058

約数列:

[1, 2, 3, 6, 9, 18, 59, 71, 118, 142, 177, 213, 251, 354, 426, 502, 531, 639, 753, 1062, 1278, 1506, 2259, 4189, 4518, 8378, 12567, 14809, 17821, 25134, 29618, 35642, 37701, 44427, 53463, 75402, 88854, 106926, 133281, 160389, 266562, 320778, 1051439, 2102878, 3154317, 6308634, 9462951, 18925902]

約数ペア:

[(1, 18925902), (2, 9462951), (3, 6308634), (6, 3154317), (9, 2102878), (18, 1051439), (59, 320778), (71, 266562), (118, 160389), (142, 133281), (177, 106926), (213, 88854), (251, 75402), (354, 53463), (426, 44427), (502, 37701), (531, 35642), (639, 29618), (753, 25134), (1062, 17821), (1278, 14809), (1506, 12567), (2259, 8378), (4189, 4518)]