18668272

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7247}}^1$

素因数の和:7285

約数の個数: 40

約数和(自身を含む): 43140096

約数和(自身を除く): 24471824

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7247, 14494, 28988, 50729, 57976, 101458, 115952, 166681, 202916, 333362, 405832, 666724, 811664, 1166767, 1333448, 2333534, 2666896, 4667068, 9334136, 18668272]

約数ペア:

[(1, 18668272), (2, 9334136), (4, 4667068), (7, 2666896), (8, 2333534), (14, 1333448), (16, 1166767), (23, 811664), (28, 666724), (46, 405832), (56, 333362), (92, 202916), (112, 166681), (161, 115952), (184, 101458), (322, 57976), (368, 50729), (644, 28988), (1288, 14494), (2576, 7247)]