19037187

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 31101840

約数和(自身を除く): 12064653

約数列:

[1, 3, 9, 13, 27, 39, 81, 101, 117, 179, 303, 351, 537, 909, 1053, 1313, 1611, 2327, 2727, 3939, 4833, 6981, 8181, 11817, 14499, 18079, 20943, 35451, 54237, 62829, 106353, 162711, 188487, 235027, 488133, 705081, 1464399, 2115243, 6345729, 19037187]

約数ペア:

[(1, 19037187), (3, 6345729), (9, 2115243), (13, 1464399), (27, 705081), (39, 488133), (81, 235027), (101, 188487), (117, 162711), (179, 106353), (303, 62829), (351, 54237), (537, 35451), (909, 20943), (1053, 18079), (1313, 14499), (1611, 11817), (2327, 8181), (2727, 6981), (3939, 4833)]