19669160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 50976000

約数和(自身を除く): 31306840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 353, 398, 706, 796, 995, 1393, 1412, 1592, 1765, 1990, 2471, 2786, 2824, 3530, 3980, 4942, 5572, 6965, 7060, 7960, 9884, 11144, 12355, 13930, 14120, 19768, 24710, 27860, 49420, 55720, 70247, 98840, 140494, 280988, 351235, 491729, 561976, 702470, 983458, 1404940, 1966916, 2458645, 2809880, 3933832, 4917290, 9834580, 19669160]

約数ペア:

[(1, 19669160), (2, 9834580), (4, 4917290), (5, 3933832), (7, 2809880), (8, 2458645), (10, 1966916), (14, 1404940), (20, 983458), (28, 702470), (35, 561976), (40, 491729), (56, 351235), (70, 280988), (140, 140494), (199, 98840), (280, 70247), (353, 55720), (398, 49420), (706, 27860), (796, 24710), (995, 19768), (1393, 14120), (1412, 13930), (1592, 12355), (1765, 11144), (1990, 9884), (2471, 7960), (2786, 7060), (2824, 6965), (3530, 5572), (3980, 4942)]