18052489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 5897591

約数列:

[1, 7, 13, 19, 53, 91, 133, 197, 247, 371, 689, 1007, 1379, 1729, 2561, 3743, 4823, 7049, 10441, 13091, 17927, 26201, 48659, 73087, 91637, 135733, 198379, 340613, 950131, 1388653, 2578927, 18052489]

約数ペア:

[(1, 18052489), (7, 2578927), (13, 1388653), (19, 950131), (53, 340613), (91, 198379), (133, 135733), (197, 91637), (247, 73087), (371, 48659), (689, 26201), (1007, 17927), (1379, 13091), (1729, 10441), (2561, 7049), (3743, 4823)]