18641864

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 35844120

約数和(自身を除く): 17202256

約数列:

[1, 2, 4, 8, 73, 137, 146, 233, 274, 292, 466, 548, 584, 932, 1096, 1864, 10001, 17009, 20002, 31921, 34018, 40004, 63842, 68036, 80008, 127684, 136072, 255368, 2330233, 4660466, 9320932, 18641864]

約数ペア:

[(1, 18641864), (2, 9320932), (4, 4660466), (8, 2330233), (73, 255368), (137, 136072), (146, 127684), (233, 80008), (274, 68036), (292, 63842), (466, 40004), (548, 34018), (584, 31921), (932, 20002), (1096, 17009), (1864, 10001)]