19216168

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 36887400

約数和(自身を除く): 17671232

約数列:

[1, 2, 4, 8, 89, 137, 178, 197, 274, 356, 394, 548, 712, 788, 1096, 1576, 12193, 17533, 24386, 26989, 35066, 48772, 53978, 70132, 97544, 107956, 140264, 215912, 2402021, 4804042, 9608084, 19216168]

約数ペア:

[(1, 19216168), (2, 9608084), (4, 4804042), (8, 2402021), (89, 215912), (137, 140264), (178, 107956), (197, 97544), (274, 70132), (356, 53978), (394, 48772), (548, 35066), (712, 26989), (788, 24386), (1096, 17533), (1576, 12193)]