18273925

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 23569920

約数和(自身を除く): 5295995

約数列:

[1, 5, 25, 43, 89, 191, 215, 445, 955, 1075, 2225, 3827, 4775, 8213, 16999, 19135, 41065, 84995, 95675, 205325, 424975, 730957, 3654785, 18273925]

約数ペア:

[(1, 18273925), (5, 3654785), (25, 730957), (43, 424975), (89, 205325), (191, 95675), (215, 84995), (445, 41065), (955, 19135), (1075, 16999), (2225, 8213), (3827, 4775)]