18146975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{857}}^1$

素因数の和:896

約数の個数: 36

約数和(自身を含む): 28300272

約数和(自身を除く): 10153297

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 857, 1925, 3025, 4235, 4285, 5999, 9427, 21175, 21425, 29995, 47135, 65989, 103697, 149975, 235675, 329945, 518485, 725879, 1649725, 2592425, 3629395, 18146975]

約数ペア:

[(1, 18146975), (5, 3629395), (7, 2592425), (11, 1649725), (25, 725879), (35, 518485), (55, 329945), (77, 235675), (121, 149975), (175, 103697), (275, 65989), (385, 47135), (605, 29995), (847, 21425), (857, 21175), (1925, 9427), (3025, 5999), (4235, 4285)]