18885525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 34075200

約数和(自身を除く): 15189675

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 457, 475, 551, 725, 1371, 1425, 1653, 2175, 2285, 2755, 6855, 8265, 8683, 11425, 13253, 13775, 26049, 34275, 39759, 41325, 43415, 66265, 130245, 198795, 217075, 251807, 331325, 651225, 755421, 993975, 1259035, 3777105, 6295175, 18885525]

約数ペア:

[(1, 18885525), (3, 6295175), (5, 3777105), (15, 1259035), (19, 993975), (25, 755421), (29, 651225), (57, 331325), (75, 251807), (87, 217075), (95, 198795), (145, 130245), (285, 66265), (435, 43415), (457, 41325), (475, 39759), (551, 34275), (725, 26049), (1371, 13775), (1425, 13253), (1653, 11425), (2175, 8683), (2285, 8265), (2755, 6855)]