18590943

素因数分解:

$3^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 30250800

約数和(自身を除く): 11659857

約数列:

[1, 3, 7, 21, 29, 49, 87, 89, 147, 203, 267, 343, 609, 623, 1029, 1421, 1869, 2401, 2581, 4263, 4361, 7203, 7743, 9947, 13083, 18067, 29841, 30527, 54201, 69629, 91581, 126469, 208887, 213689, 379407, 641067, 885283, 2655849, 6196981, 18590943]

約数ペア:

[(1, 18590943), (3, 6196981), (7, 2655849), (21, 885283), (29, 641067), (49, 379407), (87, 213689), (89, 208887), (147, 126469), (203, 91581), (267, 69629), (343, 54201), (609, 30527), (623, 29841), (1029, 18067), (1421, 13083), (1869, 9947), (2401, 7743), (2581, 7203), (4263, 4361)]