19665170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 41860800

約数和(自身を除く): 22195630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 599, 670, 938, 1198, 2345, 2995, 3283, 4193, 4690, 5990, 6566, 8386, 16415, 20965, 29351, 32830, 40133, 41930, 58702, 80266, 146755, 200665, 280931, 293510, 401330, 561862, 1404655, 1966517, 2809310, 3933034, 9832585, 19665170]

約数ペア:

[(1, 19665170), (2, 9832585), (5, 3933034), (7, 2809310), (10, 1966517), (14, 1404655), (35, 561862), (49, 401330), (67, 293510), (70, 280931), (98, 200665), (134, 146755), (245, 80266), (335, 58702), (469, 41930), (490, 40133), (599, 32830), (670, 29351), (938, 20965), (1198, 16415), (2345, 8386), (2995, 6566), (3283, 5990), (4193, 4690)]