18674925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 33247872

約数和(自身を除く): 14572947

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 151, 255, 291, 425, 453, 485, 755, 1275, 1455, 1649, 2265, 2425, 2567, 3775, 4947, 7275, 7701, 8245, 11325, 12835, 14647, 24735, 38505, 41225, 43941, 64175, 73235, 123675, 192525, 219705, 248999, 366175, 746997, 1098525, 1244995, 3734985, 6224975, 18674925]

約数ペア:

[(1, 18674925), (3, 6224975), (5, 3734985), (15, 1244995), (17, 1098525), (25, 746997), (51, 366175), (75, 248999), (85, 219705), (97, 192525), (151, 123675), (255, 73235), (291, 64175), (425, 43941), (453, 41225), (485, 38505), (755, 24735), (1275, 14647), (1455, 12835), (1649, 11325), (2265, 8245), (2425, 7701), (2567, 7275), (3775, 4947)]