1986678

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 4683120

約数和(自身を除く): 2696442

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 157, 171, 222, 314, 333, 342, 471, 666, 703, 942, 1406, 1413, 2109, 2826, 2983, 4218, 5809, 5966, 6327, 8949, 11618, 12654, 17427, 17898, 26847, 34854, 52281, 53694, 104562, 110371, 220742, 331113, 662226, 993339, 1986678]

約数ペア:

[(1, 1986678), (2, 993339), (3, 662226), (6, 331113), (9, 220742), (18, 110371), (19, 104562), (37, 53694), (38, 52281), (57, 34854), (74, 26847), (111, 17898), (114, 17427), (157, 12654), (171, 11618), (222, 8949), (314, 6327), (333, 5966), (342, 5809), (471, 4218), (666, 2983), (703, 2826), (942, 2109), (1406, 1413)]