19391839220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{136351}}^1$

素因数の和:136920

約数の個数: 48

約数和(自身を含む): 43935886848

約数和(自身を除く): 24544047628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 1094, 2188, 2735, 5470, 7111, 10940, 14222, 28444, 35555, 71110, 136351, 142220, 272702, 545404, 681755, 1363510, 1772563, 2727020, 3545126, 7090252, 8862815, 17725630, 35451260, 74583997, 149167994, 298335988, 372919985, 745839970, 969591961, 1491679940, 1939183922, 3878367844, 4847959805, 9695919610, 19391839220]

約数ペア:

[(1, 19391839220), (2, 9695919610), (4, 4847959805), (5, 3878367844), (10, 1939183922), (13, 1491679940), (20, 969591961), (26, 745839970), (52, 372919985), (65, 298335988), (130, 149167994), (260, 74583997), (547, 35451260), (1094, 17725630), (2188, 8862815), (2735, 7090252), (5470, 3545126), (7111, 2727020), (10940, 1772563), (14222, 1363510), (28444, 681755), (35555, 545404), (71110, 272702), (136351, 142220)]