18684496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 38897064

約数和(自身を除く): 20212568

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 941, 1168, 1241, 1882, 2482, 3764, 4964, 7528, 9928, 15056, 15997, 19856, 31994, 63988, 68693, 127976, 137386, 255952, 274772, 549544, 1099088, 1167781, 2335562, 4671124, 9342248, 18684496]

約数ペア:

[(1, 18684496), (2, 9342248), (4, 4671124), (8, 2335562), (16, 1167781), (17, 1099088), (34, 549544), (68, 274772), (73, 255952), (136, 137386), (146, 127976), (272, 68693), (292, 63988), (584, 31994), (941, 19856), (1168, 15997), (1241, 15056), (1882, 9928), (2482, 7528), (3764, 4964)]