19903640428

素因数分解:

$2^2\times 7^1\times {\mathrm{1877}}^1\times {\mathrm{378713}}^1$

素因数の和:380601

約数の個数: 24

約数和(自身を含む): 39828593952

約数和(自身を除く): 19924953524

約数列:

[1, 2, 4, 7, 14, 28, 1877, 3754, 7508, 13139, 26278, 52556, 378713, 757426, 1514852, 2650991, 5301982, 10603964, 710844301, 1421688602, 2843377204, 4975910107, 9951820214, 19903640428]

約数ペア:

[(1, 19903640428), (2, 9951820214), (4, 4975910107), (7, 2843377204), (14, 1421688602), (28, 710844301), (1877, 10603964), (3754, 5301982), (7508, 2650991), (13139, 1514852), (26278, 757426), (52556, 378713)]