18049640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9209}}^1$

素因数の和:9234

約数の個数: 48

約数和(自身を含む): 47247300

約数和(自身を除く): 29197660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9209, 18418, 36836, 46045, 64463, 73672, 92090, 128926, 184180, 257852, 322315, 368360, 451241, 515704, 644630, 902482, 1289260, 1804964, 2256205, 2578520, 3609928, 4512410, 9024820, 18049640]

約数ペア:

[(1, 18049640), (2, 9024820), (4, 4512410), (5, 3609928), (7, 2578520), (8, 2256205), (10, 1804964), (14, 1289260), (20, 902482), (28, 644630), (35, 515704), (40, 451241), (49, 368360), (56, 322315), (70, 257852), (98, 184180), (140, 128926), (196, 92090), (245, 73672), (280, 64463), (392, 46045), (490, 36836), (980, 18418), (1960, 9209)]