18032825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 23316216

約数和(自身を除く): 5283391

約数列:

[1, 5, 25, 41, 73, 205, 241, 365, 1025, 1205, 1825, 2993, 6025, 9881, 14965, 17593, 49405, 74825, 87965, 247025, 439825, 721313, 3606565, 18032825]

約数ペア:

[(1, 18032825), (5, 3606565), (25, 721313), (41, 439825), (73, 247025), (205, 87965), (241, 74825), (365, 49405), (1025, 17593), (1205, 14965), (1825, 9881), (2993, 6025)]