18809245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 28240128

約数和(自身を除く): 9430883

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 617, 871, 2345, 3085, 4319, 4355, 6097, 8021, 21595, 30485, 40105, 41339, 56147, 206695, 280735, 289373, 537407, 1446865, 2687035, 3761849, 18809245]

約数ペア:

[(1, 18809245), (5, 3761849), (7, 2687035), (13, 1446865), (35, 537407), (65, 289373), (67, 280735), (91, 206695), (335, 56147), (455, 41339), (469, 40105), (617, 30485), (871, 21595), (2345, 8021), (3085, 6097), (4319, 4355)]