19081605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15754875

約数列:

[1, 3, 5, 15, 19, 23, 41, 57, 69, 71, 95, 115, 123, 205, 213, 285, 345, 355, 437, 615, 779, 943, 1065, 1311, 1349, 1633, 2185, 2337, 2829, 2911, 3895, 4047, 4715, 4899, 6555, 6745, 8165, 8733, 11685, 14145, 14555, 17917, 20235, 24495, 31027, 43665, 53751, 55309, 66953, 89585, 93081, 155135, 165927, 200859, 268755, 276545, 334765, 465405, 829635, 1004295, 1272107, 3816321, 6360535, 19081605]

約数ペア:

[(1, 19081605), (3, 6360535), (5, 3816321), (15, 1272107), (19, 1004295), (23, 829635), (41, 465405), (57, 334765), (69, 276545), (71, 268755), (95, 200859), (115, 165927), (123, 155135), (205, 93081), (213, 89585), (285, 66953), (345, 55309), (355, 53751), (437, 43665), (615, 31027), (779, 24495), (943, 20235), (1065, 17917), (1311, 14555), (1349, 14145), (1633, 11685), (2185, 8733), (2337, 8165), (2829, 6745), (2911, 6555), (3895, 4899), (4047, 4715)]