18841275

素因数分解:

$3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 35077120

約数和(自身を除く): 16235845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 103, 135, 225, 271, 309, 515, 675, 813, 927, 1355, 1545, 2439, 2575, 2781, 4065, 4635, 6775, 7317, 7725, 12195, 13905, 20325, 23175, 27913, 36585, 60975, 69525, 83739, 139565, 182925, 251217, 418695, 697825, 753651, 1256085, 2093475, 3768255, 6280425, 18841275]

約数ペア:

[(1, 18841275), (3, 6280425), (5, 3768255), (9, 2093475), (15, 1256085), (25, 753651), (27, 697825), (45, 418695), (75, 251217), (103, 182925), (135, 139565), (225, 83739), (271, 69525), (309, 60975), (515, 36585), (675, 27913), (813, 23175), (927, 20325), (1355, 13905), (1545, 12195), (2439, 7725), (2575, 7317), (2781, 6775), (4065, 4635)]