18918933

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 29082240

約数和(自身を除く): 10163307

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 373, 583, 957, 1119, 1537, 1749, 4103, 4611, 10817, 12309, 16907, 19769, 32451, 50721, 59307, 118987, 217459, 356961, 573301, 652377, 1719903, 6306311, 18918933]

約数ペア:

[(1, 18918933), (3, 6306311), (11, 1719903), (29, 652377), (33, 573301), (53, 356961), (87, 217459), (159, 118987), (319, 59307), (373, 50721), (583, 32451), (957, 19769), (1119, 16907), (1537, 12309), (1749, 10817), (4103, 4611)]