19871163

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 32443488

約数和(自身を除く): 12572325

約数列:

[1, 3, 9, 13, 27, 39, 81, 113, 117, 167, 339, 351, 501, 1017, 1053, 1469, 1503, 2171, 3051, 4407, 4509, 6513, 9153, 13221, 13527, 18871, 19539, 39663, 56613, 58617, 118989, 169839, 175851, 245323, 509517, 735969, 1528551, 2207907, 6623721, 19871163]

約数ペア:

[(1, 19871163), (3, 6623721), (9, 2207907), (13, 1528551), (27, 735969), (39, 509517), (81, 245323), (113, 175851), (117, 169839), (167, 118989), (339, 58617), (351, 56613), (501, 39663), (1017, 19539), (1053, 18871), (1469, 13527), (1503, 13221), (2171, 9153), (3051, 6513), (4407, 4509)]