19820538

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2399}}^1$

素因数の和:2433

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27353862

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2399, 2754, 4131, 4798, 7197, 8262, 14394, 21591, 40783, 43182, 64773, 81566, 122349, 129546, 194319, 244698, 367047, 388638, 582957, 734094, 1101141, 1165914, 2202282, 3303423, 6606846, 9910269, 19820538]

約数ペア:

[(1, 19820538), (2, 9910269), (3, 6606846), (6, 3303423), (9, 2202282), (17, 1165914), (18, 1101141), (27, 734094), (34, 582957), (51, 388638), (54, 367047), (81, 244698), (102, 194319), (153, 129546), (162, 122349), (243, 81566), (306, 64773), (459, 43182), (486, 40783), (918, 21591), (1377, 14394), (2399, 8262), (2754, 7197), (4131, 4798)]