18701897

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 1619383

約数列:

[1, 29, 31, 71, 293, 899, 2059, 2201, 8497, 9083, 20803, 63829, 263407, 603287, 644893, 18701897]

約数ペア:

[(1, 18701897), (29, 644893), (31, 603287), (71, 263407), (293, 63829), (899, 20803), (2059, 9083), (2201, 8497)]