18713175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 35310240

約数和(自身を除く): 16597065

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1129, 1275, 3315, 3387, 5525, 5645, 14677, 16575, 16935, 19193, 28225, 44031, 57579, 73385, 84675, 95965, 220155, 249509, 287895, 366925, 479825, 748527, 1100775, 1247545, 1439475, 3742635, 6237725, 18713175]

約数ペア:

[(1, 18713175), (3, 6237725), (5, 3742635), (13, 1439475), (15, 1247545), (17, 1100775), (25, 748527), (39, 479825), (51, 366925), (65, 287895), (75, 249509), (85, 220155), (195, 95965), (221, 84675), (255, 73385), (325, 57579), (425, 44031), (663, 28225), (975, 19193), (1105, 16935), (1129, 16575), (1275, 14677), (3315, 5645), (3387, 5525)]