19122856

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 17657624

約数列:

[1, 2, 4, 8, 71, 131, 142, 257, 262, 284, 514, 524, 568, 1028, 1048, 2056, 9301, 18247, 18602, 33667, 36494, 37204, 67334, 72988, 74408, 134668, 145976, 269336, 2390357, 4780714, 9561428, 19122856]

約数ペア:

[(1, 19122856), (2, 9561428), (4, 4780714), (8, 2390357), (71, 269336), (131, 145976), (142, 134668), (257, 74408), (262, 72988), (284, 67334), (514, 37204), (524, 36494), (568, 33667), (1028, 18602), (1048, 18247), (2056, 9301)]