19081972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7520

約数の個数: 36

約数和(自身を含む): 41839140

約数和(自身を除く): 22757168

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7489, 14978, 29956, 52423, 97357, 104846, 194714, 209692, 366961, 389428, 681499, 733922, 1362998, 1467844, 2725996, 4770493, 9540986, 19081972]

約数ペア:

[(1, 19081972), (2, 9540986), (4, 4770493), (7, 2725996), (13, 1467844), (14, 1362998), (26, 733922), (28, 681499), (49, 389428), (52, 366961), (91, 209692), (98, 194714), (182, 104846), (196, 97357), (364, 52423), (637, 29956), (1274, 14978), (2548, 7489)]