19421120

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:597

約数の個数: 56

約数和(自身を含む): 46689264

約数和(自身を除く): 27268144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 443, 548, 685, 886, 1096, 1370, 1772, 2192, 2215, 2740, 3544, 4384, 4430, 5480, 7088, 8768, 8860, 10960, 14176, 17720, 21920, 28352, 35440, 43840, 60691, 70880, 121382, 141760, 242764, 303455, 485528, 606910, 971056, 1213820, 1942112, 2427640, 3884224, 4855280, 9710560, 19421120]

約数ペア:

[(1, 19421120), (2, 9710560), (4, 4855280), (5, 3884224), (8, 2427640), (10, 1942112), (16, 1213820), (20, 971056), (32, 606910), (40, 485528), (64, 303455), (80, 242764), (137, 141760), (160, 121382), (274, 70880), (320, 60691), (443, 43840), (548, 35440), (685, 28352), (886, 21920), (1096, 17720), (1370, 14176), (1772, 10960), (2192, 8860), (2215, 8768), (2740, 7088), (3544, 5480), (4384, 4430)]