19077136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 40794264

約数和(自身を除く): 21717128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2237, 4264, 4474, 8528, 8948, 17896, 29081, 35792, 58162, 91717, 116324, 183434, 232648, 366868, 465296, 733736, 1192321, 1467472, 2384642, 4769284, 9538568, 19077136]

約数ペア:

[(1, 19077136), (2, 9538568), (4, 4769284), (8, 2384642), (13, 1467472), (16, 1192321), (26, 733736), (41, 465296), (52, 366868), (82, 232648), (104, 183434), (164, 116324), (208, 91717), (328, 58162), (533, 35792), (656, 29081), (1066, 17896), (2132, 8948), (2237, 8528), (4264, 4474)]