19323824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 41007792

約数和(自身を除く): 21683968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1523, 1586, 3046, 3172, 6092, 6344, 12184, 12688, 19799, 24368, 39598, 79196, 92903, 158392, 185806, 316784, 371612, 743224, 1207739, 1486448, 2415478, 4830956, 9661912, 19323824]

約数ペア:

[(1, 19323824), (2, 9661912), (4, 4830956), (8, 2415478), (13, 1486448), (16, 1207739), (26, 743224), (52, 371612), (61, 316784), (104, 185806), (122, 158392), (208, 92903), (244, 79196), (488, 39598), (793, 24368), (976, 19799), (1523, 12688), (1586, 12184), (3046, 6344), (3172, 6092)]