18924958

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 31701600

約数和(自身を除く): 12776642

約数列:

[1, 2, 13, 26, 59, 73, 118, 146, 169, 338, 767, 949, 1534, 1898, 2197, 4307, 4394, 8614, 9971, 12337, 19942, 24674, 55991, 111982, 129623, 160381, 259246, 320762, 727883, 1455766, 9462479, 18924958]

約数ペア:

[(1, 18924958), (2, 9462479), (13, 1455766), (26, 727883), (59, 320762), (73, 259246), (118, 160381), (146, 129623), (169, 111982), (338, 55991), (767, 24674), (949, 19942), (1534, 12337), (1898, 9971), (2197, 8614), (4307, 4394)]