18226755

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 16246845

約数列:

[1, 3, 5, 9, 15, 27, 37, 41, 45, 89, 111, 123, 135, 185, 205, 267, 333, 369, 445, 555, 615, 801, 999, 1107, 1335, 1517, 1665, 1845, 2403, 3293, 3649, 4005, 4551, 4995, 5535, 7585, 9879, 10947, 12015, 13653, 16465, 18245, 22755, 29637, 32841, 40959, 49395, 54735, 68265, 88911, 98523, 135013, 148185, 164205, 204795, 405039, 444555, 492615, 675065, 1215117, 2025195, 3645351, 6075585, 18226755]

約数ペア:

[(1, 18226755), (3, 6075585), (5, 3645351), (9, 2025195), (15, 1215117), (27, 675065), (37, 492615), (41, 444555), (45, 405039), (89, 204795), (111, 164205), (123, 148185), (135, 135013), (185, 98523), (205, 88911), (267, 68265), (333, 54735), (369, 49395), (445, 40959), (555, 32841), (615, 29637), (801, 22755), (999, 18245), (1107, 16465), (1335, 13653), (1517, 12015), (1665, 10947), (1845, 9879), (2403, 7585), (3293, 5535), (3649, 4995), (4005, 4551)]