19538764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1933}}^1$

素因数の和:1982

約数の個数: 36

約数和(自身を含む): 41263824

約数和(自身を除く): 21725060

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1933, 2527, 3866, 5054, 7732, 10108, 13531, 27062, 36727, 54124, 73454, 146908, 257089, 514178, 697813, 1028356, 1395626, 2791252, 4884691, 9769382, 19538764]

約数ペア:

[(1, 19538764), (2, 9769382), (4, 4884691), (7, 2791252), (14, 1395626), (19, 1028356), (28, 697813), (38, 514178), (76, 257089), (133, 146908), (266, 73454), (361, 54124), (532, 36727), (722, 27062), (1444, 13531), (1933, 10108), (2527, 7732), (3866, 5054)]