18259195017

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{17737}}^1$

素因数の和:17950

約数の個数: 48

約数和(自身を含む): 29118700800

約数和(自身を除く): 10859505783

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 149, 329, 447, 987, 1043, 2303, 3129, 6909, 7003, 7301, 17737, 21009, 21903, 49021, 53211, 124159, 147063, 343147, 372477, 833639, 869113, 1029441, 2500917, 2607339, 2642813, 5835473, 7928439, 17506419, 18499691, 40848311, 55499073, 122544933, 124212211, 129497837, 372636633, 388493511, 869485477, 2608456431, 6086398339, 18259195017]

約数ペア:

[(1, 18259195017), (3, 6086398339), (7, 2608456431), (21, 869485477), (47, 388493511), (49, 372636633), (141, 129497837), (147, 124212211), (149, 122544933), (329, 55499073), (447, 40848311), (987, 18499691), (1043, 17506419), (2303, 7928439), (3129, 5835473), (6909, 2642813), (7003, 2607339), (7301, 2500917), (17737, 1029441), (21009, 869113), (21903, 833639), (49021, 372477), (53211, 343147), (124159, 147063)]