18505582

素因数分解:

$2^1\times {\mathrm{19}}^4\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 20

約数和(自身を含む): 29713176

約数和(自身を除く): 11207594

約数列:

[1, 2, 19, 38, 71, 142, 361, 722, 1349, 2698, 6859, 13718, 25631, 51262, 130321, 260642, 486989, 973978, 9252791, 18505582]

約数ペア:

[(1, 18505582), (2, 9252791), (19, 973978), (38, 486989), (71, 260642), (142, 130321), (361, 51262), (722, 25631), (1349, 13718), (2698, 6859)]