18683859

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8964141

約数列:

[1, 3, 19, 29, 57, 87, 89, 127, 267, 381, 551, 1653, 1691, 2413, 2581, 3683, 5073, 7239, 7743, 11049, 11303, 33909, 49039, 69977, 147117, 209931, 214757, 327787, 644271, 983361, 6227953, 18683859]

約数ペア:

[(1, 18683859), (3, 6227953), (19, 983361), (29, 644271), (57, 327787), (87, 214757), (89, 209931), (127, 147117), (267, 69977), (381, 49039), (551, 33909), (1653, 11303), (1691, 11049), (2413, 7743), (2581, 7239), (3683, 5073)]