18540095

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 26492928

約数和(自身を除く): 7952833

約数列:

[1, 5, 7, 35, 43, 97, 127, 215, 301, 485, 635, 679, 889, 1505, 3395, 4171, 4445, 5461, 12319, 20855, 27305, 29197, 38227, 61595, 86233, 145985, 191135, 431165, 529717, 2648585, 3708019, 18540095]

約数ペア:

[(1, 18540095), (5, 3708019), (7, 2648585), (35, 529717), (43, 431165), (97, 191135), (127, 145985), (215, 86233), (301, 61595), (485, 38227), (635, 29197), (679, 27305), (889, 20855), (1505, 12319), (3395, 5461), (4171, 4445)]