18881115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2791}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 33772032

約数和(自身を除く): 14890917

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2791, 6765, 8373, 13955, 30701, 41865, 92103, 114431, 153505, 343293, 460515, 572155, 1258741, 1716465, 3776223, 6293705, 18881115]

約数ペア:

[(1, 18881115), (3, 6293705), (5, 3776223), (11, 1716465), (15, 1258741), (33, 572155), (41, 460515), (55, 343293), (123, 153505), (165, 114431), (205, 92103), (451, 41865), (615, 30701), (1353, 13955), (2255, 8373), (2791, 6765)]