19187580775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{5437}}^1$

素因数の和:5812

約数の個数: 48

約数和(自身を含む): 26678479968

約数和(自身を除く): 7490899193

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 313, 451, 1025, 1565, 2255, 3443, 5437, 7825, 11275, 12833, 17215, 27185, 59807, 64165, 86075, 135925, 141163, 222917, 299035, 320825, 705815, 1114585, 1495175, 1701781, 2452087, 3529075, 5572925, 8508905, 12260435, 18719591, 42544525, 61302175, 69773021, 93597955, 348865105, 467989775, 767503231, 1744325525, 3837516155, 19187580775]

約数ペア:

[(1, 19187580775), (5, 3837516155), (11, 1744325525), (25, 767503231), (41, 467989775), (55, 348865105), (205, 93597955), (275, 69773021), (313, 61302175), (451, 42544525), (1025, 18719591), (1565, 12260435), (2255, 8508905), (3443, 5572925), (5437, 3529075), (7825, 2452087), (11275, 1701781), (12833, 1495175), (17215, 1114585), (27185, 705815), (59807, 320825), (64165, 299035), (86075, 222917), (135925, 141163)]