18819339

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 31504896

約数和(自身を除く): 12685557

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 317, 771, 951, 1799, 2219, 2827, 3487, 5397, 6657, 8481, 10461, 19789, 24409, 59367, 73227, 81469, 244407, 570283, 896159, 1710849, 2688477, 6273113, 18819339]

約数ペア:

[(1, 18819339), (3, 6273113), (7, 2688477), (11, 1710849), (21, 896159), (33, 570283), (77, 244407), (231, 81469), (257, 73227), (317, 59367), (771, 24409), (951, 19789), (1799, 10461), (2219, 8481), (2827, 6657), (3487, 5397)]