19280176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 40135824

約数和(自身を除く): 20855648

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 971, 1168, 1241, 1942, 2482, 3884, 4964, 7768, 9928, 15536, 16507, 19856, 33014, 66028, 70883, 132056, 141766, 264112, 283532, 567064, 1134128, 1205011, 2410022, 4820044, 9640088, 19280176]

約数ペア:

[(1, 19280176), (2, 9640088), (4, 4820044), (8, 2410022), (16, 1205011), (17, 1134128), (34, 567064), (68, 283532), (73, 264112), (136, 141766), (146, 132056), (272, 70883), (292, 66028), (584, 33014), (971, 19856), (1168, 16507), (1241, 15536), (1942, 9928), (2482, 7768), (3884, 4964)]