18730317

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 8485683

約数列:

[1, 3, 29, 41, 59, 87, 89, 123, 177, 267, 1189, 1711, 2419, 2581, 3567, 3649, 5133, 5251, 7257, 7743, 10947, 15753, 70151, 105821, 152279, 210453, 215291, 317463, 456837, 645873, 6243439, 18730317]

約数ペア:

[(1, 18730317), (3, 6243439), (29, 645873), (41, 456837), (59, 317463), (87, 215291), (89, 210453), (123, 152279), (177, 105821), (267, 70151), (1189, 15753), (1711, 10947), (2419, 7743), (2581, 7257), (3567, 5251), (3649, 5133)]