20181953

素因数分解:

${\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 16

約数和(自身を含む): 22662720

約数和(自身を除く): 2480767

約数列:

[1, 11, 59, 121, 257, 649, 1331, 2827, 7139, 15163, 31097, 78529, 166793, 342067, 1834723, 20181953]

約数ペア:

[(1, 20181953), (11, 1834723), (59, 342067), (121, 166793), (257, 78529), (649, 31097), (1331, 15163), (2827, 7139)]