18965275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 28837440

約数和(自身を除く): 9872165

約数列:

[1, 5, 7, 25, 29, 35, 37, 101, 145, 175, 185, 203, 259, 505, 707, 725, 925, 1015, 1073, 1295, 2525, 2929, 3535, 3737, 5075, 5365, 6475, 7511, 14645, 17675, 18685, 20503, 26159, 26825, 37555, 73225, 93425, 102515, 108373, 130795, 187775, 512575, 541865, 653975, 758611, 2709325, 3793055, 18965275]

約数ペア:

[(1, 18965275), (5, 3793055), (7, 2709325), (25, 758611), (29, 653975), (35, 541865), (37, 512575), (101, 187775), (145, 130795), (175, 108373), (185, 102515), (203, 93425), (259, 73225), (505, 37555), (707, 26825), (725, 26159), (925, 20503), (1015, 18685), (1073, 17675), (1295, 14645), (2525, 7511), (2929, 6475), (3535, 5365), (3737, 5075)]