26147990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12511}}^1$

素因数の和:12548

約数の個数: 32

約数和(自身を含む): 54051840

約数和(自身を除く): 27903850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12511, 25022, 62555, 125110, 137621, 237709, 275242, 475418, 688105, 1188545, 1376210, 2377090, 2614799, 5229598, 13073995, 26147990]

約数ペア:

[(1, 26147990), (2, 13073995), (5, 5229598), (10, 2614799), (11, 2377090), (19, 1376210), (22, 1188545), (38, 688105), (55, 475418), (95, 275242), (110, 237709), (190, 137621), (209, 125110), (418, 62555), (1045, 25022), (2090, 12511)]