13238440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17419}}^1$

素因数の和:17449

約数の個数: 32

約数和(自身を含む): 31356000

約数和(自身を除く): 18117560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17419, 34838, 69676, 87095, 139352, 174190, 330961, 348380, 661922, 696760, 1323844, 1654805, 2647688, 3309610, 6619220, 13238440]

約数ペア:

[(1, 13238440), (2, 6619220), (4, 3309610), (5, 2647688), (8, 1654805), (10, 1323844), (19, 696760), (20, 661922), (38, 348380), (40, 330961), (76, 174190), (95, 139352), (152, 87095), (190, 69676), (380, 34838), (760, 17419)]