18112675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 27498240

約数和(自身を除く): 9385565

約数列:

[1, 5, 7, 25, 29, 35, 43, 83, 145, 175, 203, 215, 301, 415, 581, 725, 1015, 1075, 1247, 1505, 2075, 2407, 2905, 3569, 5075, 6235, 7525, 8729, 12035, 14525, 16849, 17845, 24983, 31175, 43645, 60175, 84245, 89225, 103501, 124915, 218225, 421225, 517505, 624575, 724507, 2587525, 3622535, 18112675]

約数ペア:

[(1, 18112675), (5, 3622535), (7, 2587525), (25, 724507), (29, 624575), (35, 517505), (43, 421225), (83, 218225), (145, 124915), (175, 103501), (203, 89225), (215, 84245), (301, 60175), (415, 43645), (581, 31175), (725, 24983), (1015, 17845), (1075, 16849), (1247, 14525), (1505, 12035), (2075, 8729), (2407, 7525), (2905, 6235), (3569, 5075)]