19411275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 35442176

約数和(自身を除く): 16030901

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 463, 559, 645, 975, 1075, 1389, 1677, 2315, 2795, 3225, 6019, 6945, 8385, 11575, 13975, 18057, 19909, 30095, 34725, 41925, 59727, 90285, 99545, 150475, 258817, 298635, 451425, 497725, 776451, 1294085, 1493175, 3882255, 6470425, 19411275]

約数ペア:

[(1, 19411275), (3, 6470425), (5, 3882255), (13, 1493175), (15, 1294085), (25, 776451), (39, 497725), (43, 451425), (65, 298635), (75, 258817), (129, 150475), (195, 99545), (215, 90285), (325, 59727), (463, 41925), (559, 34725), (645, 30095), (975, 19909), (1075, 18057), (1389, 13975), (1677, 11575), (2315, 8385), (2795, 6945), (3225, 6019)]