18740075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 24373440

約数和(自身を除く): 5633365

約数列:

[1, 5, 25, 41, 47, 205, 235, 389, 1025, 1175, 1927, 1945, 9635, 9725, 15949, 18283, 48175, 79745, 91415, 398725, 457075, 749603, 3748015, 18740075]

約数ペア:

[(1, 18740075), (5, 3748015), (25, 749603), (41, 457075), (47, 398725), (205, 91415), (235, 79745), (389, 48175), (1025, 18283), (1175, 15949), (1927, 9725), (1945, 9635)]