19964538

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1787

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 28052262

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 59, 66, 99, 118, 177, 198, 354, 531, 649, 1062, 1298, 1709, 1947, 3418, 3894, 5127, 5841, 10254, 11682, 15381, 18799, 30762, 37598, 56397, 100831, 112794, 169191, 201662, 302493, 338382, 604986, 907479, 1109141, 1814958, 2218282, 3327423, 6654846, 9982269, 19964538]

約数ペア:

[(1, 19964538), (2, 9982269), (3, 6654846), (6, 3327423), (9, 2218282), (11, 1814958), (18, 1109141), (22, 907479), (33, 604986), (59, 338382), (66, 302493), (99, 201662), (118, 169191), (177, 112794), (198, 100831), (354, 56397), (531, 37598), (649, 30762), (1062, 18799), (1298, 15381), (1709, 11682), (1947, 10254), (3418, 5841), (3894, 5127)]