19793970

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3517

約数の個数: 80

約数和(自身を含む): 60844608

約数和(自身を除く): 41050638

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3491, 5670, 6982, 10473, 17455, 20946, 24437, 31419, 34910, 48874, 52365, 62838, 73311, 94257, 104730, 122185, 146622, 157095, 188514, 219933, 244370, 282771, 314190, 366555, 439866, 471285, 565542, 659799, 733110, 942570, 1099665, 1319598, 1413855, 1979397, 2199330, 2827710, 3298995, 3958794, 6597990, 9896985, 19793970]

約数ペア:

[(1, 19793970), (2, 9896985), (3, 6597990), (5, 3958794), (6, 3298995), (7, 2827710), (9, 2199330), (10, 1979397), (14, 1413855), (15, 1319598), (18, 1099665), (21, 942570), (27, 733110), (30, 659799), (35, 565542), (42, 471285), (45, 439866), (54, 366555), (63, 314190), (70, 282771), (81, 244370), (90, 219933), (105, 188514), (126, 157095), (135, 146622), (162, 122185), (189, 104730), (210, 94257), (270, 73311), (315, 62838), (378, 52365), (405, 48874), (567, 34910), (630, 31419), (810, 24437), (945, 20946), (1134, 17455), (1890, 10473), (2835, 6982), (3491, 5670)]