18579075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 32474112

約数和(自身を除く): 13895037

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 131, 155, 183, 305, 393, 465, 655, 775, 915, 1525, 1891, 1965, 2325, 3275, 4061, 4575, 5673, 7991, 9455, 9825, 12183, 20305, 23973, 28365, 39955, 47275, 60915, 101525, 119865, 141825, 199775, 247721, 304575, 599325, 743163, 1238605, 3715815, 6193025, 18579075]

約数ペア:

[(1, 18579075), (3, 6193025), (5, 3715815), (15, 1238605), (25, 743163), (31, 599325), (61, 304575), (75, 247721), (93, 199775), (131, 141825), (155, 119865), (183, 101525), (305, 60915), (393, 47275), (465, 39955), (655, 28365), (775, 23973), (915, 20305), (1525, 12183), (1891, 9825), (1965, 9455), (2325, 7991), (3275, 5673), (4061, 4575)]