18508425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 33831168

約数和(自身を除く): 15322743

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 463, 533, 615, 975, 1025, 1389, 1599, 2315, 2665, 3075, 6019, 6945, 7995, 11575, 13325, 18057, 18983, 30095, 34725, 39975, 56949, 90285, 94915, 150475, 246779, 284745, 451425, 474575, 740337, 1233895, 1423725, 3701685, 6169475, 18508425]

約数ペア:

[(1, 18508425), (3, 6169475), (5, 3701685), (13, 1423725), (15, 1233895), (25, 740337), (39, 474575), (41, 451425), (65, 284745), (75, 246779), (123, 150475), (195, 94915), (205, 90285), (325, 56949), (463, 39975), (533, 34725), (615, 30095), (975, 18983), (1025, 18057), (1389, 13325), (1599, 11575), (2315, 7995), (2665, 6945), (3075, 6019)]