18245985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 31186560

約数和(自身を除く): 12940575

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 877, 1095, 1387, 2631, 4161, 4385, 6935, 13155, 16663, 20805, 49989, 64021, 83315, 192063, 249945, 320105, 960315, 1216399, 3649197, 6081995, 18245985]

約数ペア:

[(1, 18245985), (3, 6081995), (5, 3649197), (15, 1216399), (19, 960315), (57, 320105), (73, 249945), (95, 192063), (219, 83315), (285, 64021), (365, 49989), (877, 20805), (1095, 16663), (1387, 13155), (2631, 6935), (4161, 4385)]