18606320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12241}}^1$

素因数の和:12273

約数の個数: 40

約数和(自身を含む): 45540240

約数和(自身を除く): 26933920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12241, 24482, 48964, 61205, 97928, 122410, 195856, 232579, 244820, 465158, 489640, 930316, 979280, 1162895, 1860632, 2325790, 3721264, 4651580, 9303160, 18606320]

約数ペア:

[(1, 18606320), (2, 9303160), (4, 4651580), (5, 3721264), (8, 2325790), (10, 1860632), (16, 1162895), (19, 979280), (20, 930316), (38, 489640), (40, 465158), (76, 244820), (80, 232579), (95, 195856), (152, 122410), (190, 97928), (304, 61205), (380, 48964), (760, 24482), (1520, 12241)]