18988678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12115322

約数列:

[1, 2, 29, 31, 58, 59, 62, 118, 179, 358, 899, 1711, 1798, 1829, 3422, 3658, 5191, 5549, 10382, 10561, 11098, 21122, 53041, 106082, 160921, 306269, 321842, 327391, 612538, 654782, 9494339, 18988678]

約数ペア:

[(1, 18988678), (2, 9494339), (29, 654782), (31, 612538), (58, 327391), (59, 321842), (62, 306269), (118, 160921), (179, 106082), (358, 53041), (899, 21122), (1711, 11098), (1798, 10561), (1829, 10382), (3422, 5549), (3658, 5191)]