19846976

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 56

約数和(自身を含む): 41818560

約数和(自身を除く): 21971584

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 97, 139, 184, 194, 278, 368, 388, 556, 736, 776, 1112, 1472, 1552, 2224, 2231, 3104, 3197, 4448, 4462, 6208, 6394, 8896, 8924, 12788, 13483, 17848, 25576, 26966, 35696, 51152, 53932, 71392, 102304, 107864, 142784, 204608, 215728, 310109, 431456, 620218, 862912, 1240436, 2480872, 4961744, 9923488, 19846976]

約数ペア:

[(1, 19846976), (2, 9923488), (4, 4961744), (8, 2480872), (16, 1240436), (23, 862912), (32, 620218), (46, 431456), (64, 310109), (92, 215728), (97, 204608), (139, 142784), (184, 107864), (194, 102304), (278, 71392), (368, 53932), (388, 51152), (556, 35696), (736, 26966), (776, 25576), (1112, 17848), (1472, 13483), (1552, 12788), (2224, 8924), (2231, 8896), (3104, 6394), (3197, 6208), (4448, 4462)]