19785006

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26663634

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 53, 54, 62, 93, 106, 159, 186, 223, 279, 318, 446, 477, 558, 669, 837, 954, 1338, 1431, 1643, 1674, 2007, 2862, 3286, 4014, 4929, 6021, 6913, 9858, 11819, 12042, 13826, 14787, 20739, 23638, 29574, 35457, 41478, 44361, 62217, 70914, 88722, 106371, 124434, 186651, 212742, 319113, 366389, 373302, 638226, 732778, 1099167, 2198334, 3297501, 6595002, 9892503, 19785006]

約数ペア:

[(1, 19785006), (2, 9892503), (3, 6595002), (6, 3297501), (9, 2198334), (18, 1099167), (27, 732778), (31, 638226), (53, 373302), (54, 366389), (62, 319113), (93, 212742), (106, 186651), (159, 124434), (186, 106371), (223, 88722), (279, 70914), (318, 62217), (446, 44361), (477, 41478), (558, 35457), (669, 29574), (837, 23638), (954, 20739), (1338, 14787), (1431, 13826), (1643, 12042), (1674, 11819), (2007, 9858), (2862, 6913), (3286, 6021), (4014, 4929)]