19809728

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3191}}^1$

素因数の和:3300

約数の個数: 28

約数和(自身を含む): 39727632

約数和(自身を除く): 19917904

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3191, 6208, 6382, 12764, 25528, 51056, 102112, 204224, 309527, 619054, 1238108, 2476216, 4952432, 9904864, 19809728]

約数ペア:

[(1, 19809728), (2, 9904864), (4, 4952432), (8, 2476216), (16, 1238108), (32, 619054), (64, 309527), (97, 204224), (194, 102112), (388, 51056), (776, 25528), (1552, 12764), (3104, 6382), (3191, 6208)]