19006731

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 12128373

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 107, 129, 153, 243, 321, 387, 459, 731, 963, 1161, 1377, 1819, 2193, 2889, 3483, 4131, 4601, 5457, 6579, 8667, 10449, 13803, 16371, 19737, 26001, 41409, 49113, 59211, 78217, 124227, 147339, 177633, 234651, 372681, 442017, 703953, 1118043, 2111859, 6335577, 19006731]

約数ペア:

[(1, 19006731), (3, 6335577), (9, 2111859), (17, 1118043), (27, 703953), (43, 442017), (51, 372681), (81, 234651), (107, 177633), (129, 147339), (153, 124227), (243, 78217), (321, 59211), (387, 49113), (459, 41409), (731, 26001), (963, 19737), (1161, 16371), (1377, 13803), (1819, 10449), (2193, 8667), (2889, 6579), (3483, 5457), (4131, 4601)]