19819144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 40008600

約数和(自身を除く): 20189456

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 2389, 4148, 4778, 8296, 9556, 19112, 40613, 81226, 145729, 162452, 291458, 324904, 582916, 1165832, 2477393, 4954786, 9909572, 19819144]

約数ペア:

[(1, 19819144), (2, 9909572), (4, 4954786), (8, 2477393), (17, 1165832), (34, 582916), (61, 324904), (68, 291458), (122, 162452), (136, 145729), (244, 81226), (488, 40613), (1037, 19112), (2074, 9556), (2389, 8296), (4148, 4778)]