18382060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 22441940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 449, 460, 890, 898, 1780, 1796, 2047, 2245, 4094, 4490, 8188, 8980, 10235, 10327, 20470, 20654, 39961, 40940, 41308, 51635, 79922, 103270, 159844, 199805, 206540, 399610, 799220, 919103, 1838206, 3676412, 4595515, 9191030, 18382060]

約数ペア:

[(1, 18382060), (2, 9191030), (4, 4595515), (5, 3676412), (10, 1838206), (20, 919103), (23, 799220), (46, 399610), (89, 206540), (92, 199805), (115, 159844), (178, 103270), (230, 79922), (356, 51635), (445, 41308), (449, 40940), (460, 39961), (890, 20654), (898, 20470), (1780, 10327), (1796, 10235), (2047, 8980), (2245, 8188), (4094, 4490)]