18883278

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 43270656

約数和(自身を除く): 24387378

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 62, 86, 93, 129, 186, 258, 279, 387, 558, 774, 787, 1333, 1574, 2361, 2666, 3999, 4722, 7083, 7998, 11997, 14166, 23994, 24397, 33841, 48794, 67682, 73191, 101523, 146382, 203046, 219573, 304569, 439146, 609138, 1049071, 2098142, 3147213, 6294426, 9441639, 18883278]

約数ペア:

[(1, 18883278), (2, 9441639), (3, 6294426), (6, 3147213), (9, 2098142), (18, 1049071), (31, 609138), (43, 439146), (62, 304569), (86, 219573), (93, 203046), (129, 146382), (186, 101523), (258, 73191), (279, 67682), (387, 48794), (558, 33841), (774, 24397), (787, 23994), (1333, 14166), (1574, 11997), (2361, 7998), (2666, 7083), (3999, 4722)]