19830896

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 40324800

約数和(自身を除く): 20493904

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 541, 632, 1082, 1264, 2164, 2291, 4328, 4582, 8656, 9164, 15689, 18328, 31378, 36656, 42739, 62756, 85478, 125512, 170956, 251024, 341912, 683824, 1239431, 2478862, 4957724, 9915448, 19830896]

約数ペア:

[(1, 19830896), (2, 9915448), (4, 4957724), (8, 2478862), (16, 1239431), (29, 683824), (58, 341912), (79, 251024), (116, 170956), (158, 125512), (232, 85478), (316, 62756), (464, 42739), (541, 36656), (632, 31378), (1082, 18328), (1264, 15689), (2164, 9164), (2291, 8656), (4328, 4582)]