18971694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 49999248

約数和(自身を除く): 31027554

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 289, 306, 357, 521, 578, 714, 867, 1042, 1071, 1563, 1734, 2023, 2142, 2601, 3126, 3647, 4046, 4689, 5202, 6069, 7294, 8857, 9378, 10941, 12138, 17714, 18207, 21882, 26571, 32823, 36414, 53142, 61999, 65646, 79713, 123998, 150569, 159426, 185997, 301138, 371994, 451707, 557991, 903414, 1053983, 1115982, 1355121, 2107966, 2710242, 3161949, 6323898, 9485847, 18971694]

約数ペア:

[(1, 18971694), (2, 9485847), (3, 6323898), (6, 3161949), (7, 2710242), (9, 2107966), (14, 1355121), (17, 1115982), (18, 1053983), (21, 903414), (34, 557991), (42, 451707), (51, 371994), (63, 301138), (102, 185997), (119, 159426), (126, 150569), (153, 123998), (238, 79713), (289, 65646), (306, 61999), (357, 53142), (521, 36414), (578, 32823), (714, 26571), (867, 21882), (1042, 18207), (1071, 17714), (1563, 12138), (1734, 10941), (2023, 9378), (2142, 8857), (2601, 7294), (3126, 6069), (3647, 5202), (4046, 4689)]