19559930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20356870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7919, 15838, 39595, 79190, 102947, 150461, 205894, 300922, 514735, 752305, 1029470, 1504610, 1955993, 3911986, 9779965, 19559930]

約数ペア:

[(1, 19559930), (2, 9779965), (5, 3911986), (10, 1955993), (13, 1504610), (19, 1029470), (26, 752305), (38, 514735), (65, 300922), (95, 205894), (130, 150461), (190, 102947), (247, 79190), (494, 39595), (1235, 15838), (2470, 7919)]