19761508

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 41319936

約数和(自身を除く): 21558428

約数列:

[1, 2, 4, 13, 23, 26, 31, 41, 46, 52, 62, 82, 92, 124, 164, 169, 299, 338, 403, 533, 598, 676, 713, 806, 943, 1066, 1196, 1271, 1426, 1612, 1886, 2132, 2542, 2852, 3772, 3887, 5084, 5239, 6929, 7774, 9269, 10478, 12259, 13858, 15548, 16523, 18538, 20956, 24518, 27716, 29233, 33046, 37076, 49036, 58466, 66092, 116932, 120497, 159367, 214799, 240994, 318734, 380029, 429598, 481988, 637468, 760058, 859196, 1520116, 4940377, 9880754, 19761508]

約数ペア:

[(1, 19761508), (2, 9880754), (4, 4940377), (13, 1520116), (23, 859196), (26, 760058), (31, 637468), (41, 481988), (46, 429598), (52, 380029), (62, 318734), (82, 240994), (92, 214799), (124, 159367), (164, 120497), (169, 116932), (299, 66092), (338, 58466), (403, 49036), (533, 37076), (598, 33046), (676, 29233), (713, 27716), (806, 24518), (943, 20956), (1066, 18538), (1196, 16523), (1271, 15548), (1426, 13858), (1612, 12259), (1886, 10478), (2132, 9269), (2542, 7774), (2852, 6929), (3772, 5239), (3887, 5084)]