19790406

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 45549504

約数和(自身を除く): 25759098

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 947, 1161, 1894, 2322, 2841, 3483, 5682, 6966, 8523, 10449, 17046, 20898, 25569, 40721, 51138, 76707, 81442, 122163, 153414, 230121, 244326, 366489, 460242, 732978, 1099467, 2198934, 3298401, 6596802, 9895203, 19790406]

約数ペア:

[(1, 19790406), (2, 9895203), (3, 6596802), (6, 3298401), (9, 2198934), (18, 1099467), (27, 732978), (43, 460242), (54, 366489), (81, 244326), (86, 230121), (129, 153414), (162, 122163), (243, 81442), (258, 76707), (387, 51138), (486, 40721), (774, 25569), (947, 20898), (1161, 17046), (1894, 10449), (2322, 8523), (2841, 6966), (3483, 5682)]