18731640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 56649600

約数和(自身を除く): 37917960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1123, 1390, 1668, 2085, 2246, 2780, 3336, 3369, 4170, 4492, 5560, 5615, 6738, 8340, 8984, 11230, 13476, 16680, 16845, 22460, 26952, 33690, 44920, 67380, 134760, 156097, 312194, 468291, 624388, 780485, 936582, 1248776, 1560970, 1873164, 2341455, 3121940, 3746328, 4682910, 6243880, 9365820, 18731640]

約数ペア:

[(1, 18731640), (2, 9365820), (3, 6243880), (4, 4682910), (5, 3746328), (6, 3121940), (8, 2341455), (10, 1873164), (12, 1560970), (15, 1248776), (20, 936582), (24, 780485), (30, 624388), (40, 468291), (60, 312194), (120, 156097), (139, 134760), (278, 67380), (417, 44920), (556, 33690), (695, 26952), (834, 22460), (1112, 16845), (1123, 16680), (1390, 13476), (1668, 11230), (2085, 8984), (2246, 8340), (2780, 6738), (3336, 5615), (3369, 5560), (4170, 4492)]